Best Humidity Sensor Arduino of 2026

Last updated on 01/01/2026

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AZDelivery 3 x GY-21 HTU21 Humidity and Temperature Sensor Module SHT21 with I2C Interface compatible with Arduino and Raspberry Pi including E-Book!

AZDelivery 3 x GY-21 HTU21 Humidity and Temperature Sensor Module SHT21 with I2C Interface compatible with Arduino and Raspberry Pi including E-Book!

AZDelivery

Why we love it

Highly accurate for precise readings.
Easily integrated with existing systems.
Includes helpful setup E-Book.

Main Highlights

✅ The GY-21 is a new easy to use and highly accurate sensor extremely compatible with Raspberry Pi, and carries an HTU21 digital humidity and temperature sensor chip.
✅ Some of its features are: full interchangeability with no calibration required in standard conditions, instantaneous desaturation after long periods in saturation phase, compatible with automatized assembly processes including Pb free and reflow processes and individual marking for compliance to stringent traceability requirements.
✅ This Humidity and Temperature Sensor uses the I2C interface and its supply voltage must be in the range of 1.5VDC - 3.6VDC (recommended supply voltage is 3VDC).
✅ AZ-Delivery GY 21 Sensor is suitable for: automotive (defogging, HVAC), home appliances, medical, printers, and it makes the perfect choice for weather station or humidor control system.
✅ This product includes an E-Book that provides useful information on how to begin your project, it helps with a quick setup and saves time on the configuration process. We provide an array of application examples, full installation guides and libraries.

9.8

Exceptional

9.8

Exceptional

AZDelivery

AZDelivery 3 x GY-21 HTU21 Humidity and Temperature Sensor Module SHT21 with I2C Interface compatible with Arduino and Raspberry Pi including E-Book!

Why we love it

Highly accurate for precise readings.
Easily integrated with existing systems.
Includes helpful setup E-Book.

Main Highlights

✅ The GY-21 is a new easy to use and highly accurate sensor extremely compatible with Raspberry Pi, and carries an HTU21 digital humidity and temperature sensor chip.
✅ Some of its features are: full interchangeability with no calibration required in standard conditions, instantaneous desaturation after long periods in saturation phase, compatible with automatized assembly processes including Pb free and reflow processes and individual marking for compliance to stringent traceability requirements.
✅ This Humidity and Temperature Sensor uses the I2C interface and its supply voltage must be in the range of 1.5VDC - 3.6VDC (recommended supply voltage is 3VDC).
✅ AZ-Delivery GY 21 Sensor is suitable for: automotive (defogging, HVAC), home appliances, medical, printers, and it makes the perfect choice for weather station or humidor control system.
✅ This product includes an E-Book that provides useful information on how to begin your project, it helps with a quick setup and saves time on the configuration process. We provide an array of application examples, full installation guides and libraries.

Value for Money

AZDelivery 5 x Compatible with DHT11 Temperature and Humidity Sensor Module 3.3V 5V with Cable compatible with Arduino and Raspberry Pi including E-Book!

AZDelivery 5 x Compatible with DHT11 Temperature and Humidity Sensor Module 3.3V 5V with Cable compatible with Arduino and Raspberry Pi including E-Book!

AZDelivery

Why we love it

Precise temperature and humidity measurements.
Ideal for various applications.
Includes helpful E-Book.

Main Highlights

✅ AZ-Delivery Compitable with DHT11 Temperature and humidity sensor Module supplied with the breakout board and the cable, is the right choice for you if you need precise and reliable measurements of temperature and humidity levels for your Raspberry Pi based projects.
✅ This AZ-Delivery Compitable with DHT11 Temperature and humidity sensor module is ideal for many applications such as monitoring room temperature or as a weather station.
✅ Since the sensor can be operated with both 3.3V and 5V voltages, it is suitable for connection to all standard boards such as RN-Control, Raspberry Pi and all other microcontrollers.
✅ In addition to the operating voltage connection, only one microcontroller port needs to be connected to the sensor.
✅ This product includes an E-Book that provides useful information on how to begin your project, it helps with a quick setup and saves time on the configuration process. We provide an array of application examples, full installation guides and libraries.

AZDelivery 5 x Compatible with DHT11 Temperature and Humidity Sensor Module 3.3V 5V with Cable compatible with Arduino and Raspberry Pi including E-Book!

Why we love it

Precise temperature and humidity measurements.
Ideal for various applications.
Includes helpful E-Book.

Main Highlights

✅ AZ-Delivery Compitable with DHT11 Temperature and humidity sensor Module supplied with the breakout board and the cable, is the right choice for you if you need precise and reliable measurements of temperature and humidity levels for your Raspberry Pi based projects.
✅ This AZ-Delivery Compitable with DHT11 Temperature and humidity sensor module is ideal for many applications such as monitoring room temperature or as a weather station.
✅ Since the sensor can be operated with both 3.3V and 5V voltages, it is suitable for connection to all standard boards such as RN-Control, Raspberry Pi and all other microcontrollers.
✅ In addition to the operating voltage connection, only one microcontroller port needs to be connected to the sensor.
✅ This product includes an E-Book that provides useful information on how to begin your project, it helps with a quick setup and saves time on the configuration process. We provide an array of application examples, full installation guides and libraries.

BME280 Temperature Humidity Barometric Pressure Sensor Module, I2C/SPI Interface, Compatible with Raspberry Pi, Arduino, STM32, Environmental Monitoring Sensor with Open Source Demo Codes

BME280 Temperature Humidity Barometric Pressure Sensor Module, I2C/SPI Interface, Compatible with Raspberry Pi, Arduino, STM32, Environmental Monitoring Sensor with Open Source Demo Codes

SEENGREAT

Why we love it

Easy interface conversion options.
Ultra-low power consumption features.
Compatible with multiple voltage levels.

Main Highlights

✅ High-Precision BME280 Sensor Module: Measures temperature, humidity, and barometric pressure accurately, ideal for environmental monitoring and weather station projects.
✅ Supports Both I2C and SPI Communication: Default I2C interface with easy conversion to SPI, compatible with Raspberry Pi, Arduino, STM32, and other development boards.
✅ Wide Range and High Accuracy: Senses temperature from -40°C to +85°C, humidity from 0% to 100%, and barometric pressure from 300 to 1100hPa with excellent precision.
✅ Open Source Demo Codes for Easy Development: Provides C and Python demos for Raspberry Pi, Arduino, and STM32, simplifying setup for environmental monitoring applications.
✅ Low Power Consumption with LDO Regulator: Features onboard RT9193-33 LDO regulator for ultra-low power operation and quick start-up, perfect for portable and battery-powered projects.

BME280 Temperature Humidity Barometric Pressure Sensor Module, I2C/SPI Interface, Compatible with Raspberry Pi, Arduino, STM32, Environmental Monitoring Sensor with Open Source Demo Codes

Why we love it

Easy interface conversion options.
Ultra-low power consumption features.
Compatible with multiple voltage levels.

Main Highlights

✅ High-Precision BME280 Sensor Module: Measures temperature, humidity, and barometric pressure accurately, ideal for environmental monitoring and weather station projects.
✅ Supports Both I2C and SPI Communication: Default I2C interface with easy conversion to SPI, compatible with Raspberry Pi, Arduino, STM32, and other development boards.
✅ Wide Range and High Accuracy: Senses temperature from -40°C to +85°C, humidity from 0% to 100%, and barometric pressure from 300 to 1100hPa with excellent precision.
✅ Open Source Demo Codes for Easy Development: Provides C and Python demos for Raspberry Pi, Arduino, and STM32, simplifying setup for environmental monitoring applications.
✅ Low Power Consumption with LDO Regulator: Features onboard RT9193-33 LDO regulator for ultra-low power operation and quick start-up, perfect for portable and battery-powered projects.

2pcs DHT22/AM2302 Digital Temperature and Humidity Sensor Module Temperature Humidity Monitor Sensor Replace SHT11 SHT15 for Arduino Electronic Practice DIY

2pcs DHT22/AM2302 Digital Temperature and Humidity Sensor Module Temperature Humidity Monitor Sensor Replace SHT11 SHT15 for Arduino Electronic Practice DIY

AITRIP

Why we love it

Wide operating temperature range.
Highly sensitive sensor.
Excellent long-term stability.

Main Highlights

Operate Voltage: DC 3~5.5V
Temperature Range: -40 ℃ ~ 80 ℃， Humidity Range: 0~100%RH
Main Chip: AOSONG AM2302 High Sensitive Temperature Humidity Sensor.
DHT22 digital temperature and humidity sensor is a calibrated digital signal output temperature and humidity combined sensor, which application-specific modules capture technology and digital temperature and humidity sensor technology to ensure that products with high reliability and excellent long-term stability.No pull up resistor needed. Just plug right in to Arduino or ESP8266.

2pcs DHT22/AM2302 Digital Temperature and Humidity Sensor Module Temperature Humidity Monitor Sensor Replace SHT11 SHT15 for Arduino Electronic Practice DIY

Why we love it

Wide operating temperature range.
Highly sensitive sensor.
Excellent long-term stability.

Main Highlights

Operate Voltage: DC 3~5.5V
Temperature Range: -40 ℃ ~ 80 ℃， Humidity Range: 0~100%RH
Main Chip: AOSONG AM2302 High Sensitive Temperature Humidity Sensor.
DHT22 digital temperature and humidity sensor is a calibrated digital signal output temperature and humidity combined sensor, which application-specific modules capture technology and digital temperature and humidity sensor technology to ensure that products with high reliability and excellent long-term stability.No pull up resistor needed. Just plug right in to Arduino or ESP8266.

5 x DHT11 Temperature and Humidity Sensor Module 3.3V 5V with Cable compatible with Arduino and Raspberry Pi Light Module (5) - Electrones

5 x DHT11 Temperature and Humidity Sensor Module 3.3V 5V with Cable compatible with Arduino and Raspberry Pi Light Module (5) - Electrones

Electrones

Why we love it

Compatible with popular platforms.
Wide temperature and humidity range.
Compact design for easy integration.

Main Highlights

COMPATIBILITY: Works seamlessly with Arduino and Raspberry Pi platforms, operating on both 3.3V and 5V power supplies
MEASUREMENT RANGE: Capable of measuring temperatures from 0-50°C and relative humidity from 20-90% with high precision
DIGITAL OUTPUT: Provides reliable digital signal output with calibrated readings for both temperature and humidity parameters
COMPACT DESIGN: Small form factor module measuring approximately 2.8 cm x 1.2 cm, perfect for integration into various projects
EASY INTEGRATION: Comes complete with connecting cable and requires minimal setup for quick implementation in DIY electronics projects

5 x DHT11 Temperature and Humidity Sensor Module 3.3V 5V with Cable compatible with Arduino and Raspberry Pi Light Module (5) - Electrones

Why we love it

Compatible with popular platforms.
Wide temperature and humidity range.
Compact design for easy integration.

Main Highlights

COMPATIBILITY: Works seamlessly with Arduino and Raspberry Pi platforms, operating on both 3.3V and 5V power supplies
MEASUREMENT RANGE: Capable of measuring temperatures from 0-50°C and relative humidity from 20-90% with high precision
DIGITAL OUTPUT: Provides reliable digital signal output with calibrated readings for both temperature and humidity parameters
COMPACT DESIGN: Small form factor module measuring approximately 2.8 cm x 1.2 cm, perfect for integration into various projects
EASY INTEGRATION: Comes complete with connecting cable and requires minimal setup for quick implementation in DIY electronics projects

AITRIP 5pcs DHT11 Temperature Humidity Sensor Module Digital Temperature Humidity Sensor 3.3V-5V with Wires for Arduino Raspberry Pi 2 3

AITRIP 5pcs DHT11 Temperature Humidity Sensor Module Digital Temperature Humidity Sensor 3.3V-5V with Wires for Arduino Raspberry Pi 2 3

AITRIP

Why we love it

Accurate temperature and humidity readings.
Easy integration into applications.
Reliable with excellent stability.

Main Highlights

DHT11 digital temperature and humidity sensor is a digital signal output with a calibrated temperature and humidity combined sensor.It uses a dedicated digital modules and acquisition of temperature and humidity sensor technology to ensure that products with high reliability and excellent long term stability.
Sensor consists of a resistive element and a sense of wet NTC temperature measurement devices, and with a high-performance 8-bit microcontroller connected.
The single-wire wiring scheme makes it easy to be integrated to other applications.And the simple communication protocol greatly reduces the programming effort required.
Humidity Measure Range 20%-95%,humidity measurement error: +-5%; Temperature Measure Range 0-50°C,temperature measurement error: +-2 degrees.
Working voltage: DC 3.3V-5V.Output form: digital output.

AITRIP 5pcs DHT11 Temperature Humidity Sensor Module Digital Temperature Humidity Sensor 3.3V-5V with Wires for Arduino Raspberry Pi 2 3

Why we love it

Accurate temperature and humidity readings.
Easy integration into applications.
Reliable with excellent stability.

Main Highlights

DHT11 digital temperature and humidity sensor is a digital signal output with a calibrated temperature and humidity combined sensor.It uses a dedicated digital modules and acquisition of temperature and humidity sensor technology to ensure that products with high reliability and excellent long term stability.
Sensor consists of a resistive element and a sense of wet NTC temperature measurement devices, and with a high-performance 8-bit microcontroller connected.
The single-wire wiring scheme makes it easy to be integrated to other applications.And the simple communication protocol greatly reduces the programming effort required.
Humidity Measure Range 20%-95%,humidity measurement error: +-5%; Temperature Measure Range 0-50°C,temperature measurement error: +-2 degrees.
Working voltage: DC 3.3V-5V.Output form: digital output.

DollaTek 5PCS of Temperature Humidity Sensor Module Digital for Arduino Raspberry Pi 2 3

DollaTek 5PCS of Temperature Humidity Sensor Module Digital for Arduino Raspberry Pi 2 3

DollaTek

Why we love it

Wide measuring range capabilities.
High accuracy and resolution.
Excellent long-term stability.

Main Highlights

Supply voltage: 3.3 to 5.5VDC, Output: single-bus digital signal
Measuring range: Humidity 20% to 90% RH, Temperature 0 to 50 celsius degree
Accuracy: Humidity +&-5% RH, temperature +&-2 celsius degree
Resolution: Humidity 1% RH, temperature 1 celsius degree
Long-term stability: less +&-1% RH per Year

DollaTek 5PCS of Temperature Humidity Sensor Module Digital for Arduino Raspberry Pi 2 3

Why we love it

Wide measuring range capabilities.
High accuracy and resolution.
Excellent long-term stability.

Main Highlights

Supply voltage: 3.3 to 5.5VDC, Output: single-bus digital signal
Measuring range: Humidity 20% to 90% RH, Temperature 0 to 50 celsius degree
Accuracy: Humidity +&-5% RH, temperature +&-2 celsius degree
Resolution: Humidity 1% RH, temperature 1 celsius degree
Long-term stability: less +&-1% RH per Year

AZDelivery 3 x Compatible with DHT11 Temperature and Humidity Sensor Module 3.3V 5V with Cable compatible with Arduino and Raspberry Pi including E-Book!

AZDelivery 3 x Compatible with DHT11 Temperature and Humidity Sensor Module 3.3V 5V with Cable compatible with Arduino and Raspberry Pi including E-Book!

AZDelivery

Why we love it

Precise and reliable measurements offered.
Suitable for numerous applications.
Convenient startup guide included.

Main Highlights

✅ AZ-Delivery DHT11 Temperature and humidity sensor Module supplied with the breakout board and the cable, is the right choice for you if you need precise and reliable measurements of temperature and humidity levels for your Raspberry Pi based projects.
✅ This AZ-Delivery DHT11 Temperature and humidity sensor module is ideal for many applications such as monitoring room temperature or as a weather station.
✅ Since the sensor can be operated with both 3.3V and 5V voltages, it is suitable for connection to all standard boards such as RN-Control, Raspberry Pi and all other microcontrollers.
✅ In addition to the operating voltage connection, only one microcontroller port needs to be connected to the sensor.
✅ This product includes an E-Book that provides useful information on how to begin your project, it helps with a quick setup and saves time on the configuration process. We provide an array of application examples, full installation guides and libraries.

AZDelivery 3 x Compatible with DHT11 Temperature and Humidity Sensor Module 3.3V 5V with Cable compatible with Arduino and Raspberry Pi including E-Book!

Why we love it

Precise and reliable measurements offered.
Suitable for numerous applications.
Convenient startup guide included.

Main Highlights

✅ AZ-Delivery DHT11 Temperature and humidity sensor Module supplied with the breakout board and the cable, is the right choice for you if you need precise and reliable measurements of temperature and humidity levels for your Raspberry Pi based projects.
✅ This AZ-Delivery DHT11 Temperature and humidity sensor module is ideal for many applications such as monitoring room temperature or as a weather station.
✅ Since the sensor can be operated with both 3.3V and 5V voltages, it is suitable for connection to all standard boards such as RN-Control, Raspberry Pi and all other microcontrollers.
✅ In addition to the operating voltage connection, only one microcontroller port needs to be connected to the sensor.
✅ This product includes an E-Book that provides useful information on how to begin your project, it helps with a quick setup and saves time on the configuration process. We provide an array of application examples, full installation guides and libraries.

2 Piece BME280 5 V Barometric Sensor for Temperature, Humidity and Air Pressure,Temperature Humidity Sensor,Digital Humidity Temperature Sensor Module

2 Piece BME280 5 V Barometric Sensor for Temperature, Humidity and Air Pressure,Temperature Humidity Sensor,Digital Humidity Temperature Sensor Module

GERUI

Why we love it

Optimal size for easy installation.
Features high precision detection.
Ideal for DIY projects.

Main Highlights

It is a temperature and humidity sensor. ME-BME280 is a breakout board, can be independently activated/deactivated to measure not only temperature, but also pressure.
The small size and excellent performances of this temperature sensor allow easy installation in different devices without taking up more space, which makes it easier to optimise the internal structure of the device
The BME280 is a precision sensor soldered to the board. It uses both I2C and SPI interfaces, supports 3-wire and 4-wire SPI ideal for many DIY and smart home projects
High precision: high resolution, low power consumption, fast precision detection, absolute accuracy of ±1 hPa and temperature accuracy of ±1.0°C. The BMP280 achieves high performance in all applications, requiring pressure measurement.
High precision digital sensor: our BME280 sensors capture the air pressure and temperature with high precision - together with their high resolution and low power consumption, these sensor modules are ideal for many DIY and smart home projects.

2 Piece BME280 5 V Barometric Sensor for Temperature, Humidity and Air Pressure,Temperature Humidity Sensor,Digital Humidity Temperature Sensor Module

Why we love it

Optimal size for easy installation.
Features high precision detection.
Ideal for DIY projects.

Main Highlights

It is a temperature and humidity sensor. ME-BME280 is a breakout board, can be independently activated/deactivated to measure not only temperature, but also pressure.
The small size and excellent performances of this temperature sensor allow easy installation in different devices without taking up more space, which makes it easier to optimise the internal structure of the device
The BME280 is a precision sensor soldered to the board. It uses both I2C and SPI interfaces, supports 3-wire and 4-wire SPI ideal for many DIY and smart home projects
High precision: high resolution, low power consumption, fast precision detection, absolute accuracy of ±1 hPa and temperature accuracy of ±1.0°C. The BMP280 achieves high performance in all applications, requiring pressure measurement.
High precision digital sensor: our BME280 sensors capture the air pressure and temperature with high precision - together with their high resolution and low power consumption, these sensor modules are ideal for many DIY and smart home projects.

AZDelivery 5 x Compatible with DHT11 Temperature and Humidity Sensor compatible with Arduino Including E-Book!

AZDelivery 5 x Compatible with DHT11 Temperature and Humidity Sensor compatible with Arduino Including E-Book!

AZDelivery

Why we love it

Reliable temperature and humidity sensor.
Compatible with various microcontrollers.
Includes helpful e-book for setup.

Main Highlights

The DHT11 is a reliable sensor for determining temperature and humidity.
As the sensor can be operated with both 3.3 V and 5 V, it is suitable for connecting to all standard boards such as RN-Control, Raspberry Pi and all other microcontrollers.
In addition to the operating voltage, only one port must be connected to the sensor.
The output is serial as a digital bit sequence. This makes the sensor ideal for monitoring the indoor climate or setting up a weather station.
✅ This product contains an e-book that contains useful information about the beginning of your project, it helps with a quick setup and saves time in the configuration process. We offer a range of application examples, complete installation guides and libraries.

AZDelivery 5 x Compatible with DHT11 Temperature and Humidity Sensor compatible with Arduino Including E-Book!

Why we love it

Reliable temperature and humidity sensor.
Compatible with various microcontrollers.
Includes helpful e-book for setup.

Main Highlights

The DHT11 is a reliable sensor for determining temperature and humidity.
As the sensor can be operated with both 3.3 V and 5 V, it is suitable for connecting to all standard boards such as RN-Control, Raspberry Pi and all other microcontrollers.
In addition to the operating voltage, only one port must be connected to the sensor.
The output is serial as a digital bit sequence. This makes the sensor ideal for monitoring the indoor climate or setting up a weather station.
✅ This product contains an e-book that contains useful information about the beginning of your project, it helps with a quick setup and saves time in the configuration process. We offer a range of application examples, complete installation guides and libraries.

We scanned 1389 products

We reviewed these offers relevant to the Humidity Sensor Arduino within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like AZDelivery, SEENGREAT, AITRIP, Electrones, DollaTek, GERUI, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Humidity Sensor Arduino in the market, we considered we took a deep dive into 6946 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is AZDelivery 3 x GY-21 HTU21 Humidity and Temperature Sensor Module SHT21 with I2C Interface compatible with Arduino and Raspberry Pi including E-Book!. We love many things about this product by AZDelivery. What sets it apart from the competition is Highly accurate for precise readings. , Easily integrated with existing systems. , Includes helpful setup E-Book. .
The best value product for most shoppers and where user satisfaction is continuously the highest is AZDelivery 5 x Compatible with DHT11 Temperature and Humidity Sensor Module 3.3V 5V with Cable compatible with Arduino and Raspberry Pi including E-Book! by AZDelivery based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Humidity Sensor Arduino and the best cost-to-value ratio is AZDelivery 5 x Compatible with DHT11 Temperature and Humidity Sensor compatible with Arduino Including E-Book!at AZDelivery with a % discount.
Our list of the best Humidity Sensor Arduino is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.