# DHT22 giving too high humidity value

**URL:** <https://forum.arduino.cc/t/dht22-giving-too-high-humidity-value/1039727>\
**Category:** Sensors\
**Created:** [October 8, 2022, 3:47pm UTC](https://forum.arduino.cc/t/dht22-giving-too-high-humidity-value/1039727 "2022-10-08T15:47:07Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![abregnsbo](https://avatars.discourse-cdn.com/v4/letter/a/90ced4/32.png) [@abregnsbo](https://forum.arduino.cc/u/abregnsbo)\
**Post date:** [October 8, 2022, 3:47pm UTC](https://forum.arduino.cc/t/dht22-giving-too-high-humidity-value/1039727/1 "2022-10-08T15:47:07Z")

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I am getting too high humidity values from DHT22 sensor. My system consists of multiple DHT22 connected to an Arduino Uno Wifi, using the DHT library. For reference I use two "Xiaomi Bluetooth-compatible Temperature Humidity Sensor". DHT22 gives values that are typically 5%RH higher, and sometimes up to 15%RH higher. E.g. the Xiaomi sensor would show 61%RH, and my DHT22's would report 67%RH and sometimes 72%RH. The DHT22 values typically match each other. My Xiaomi reference sensor track each other, and never show crazy excursions. My DHT22 are powered down between reads, and read 10-60 seconds after being powered up.

Anybody with similar experience ?

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**Author:** ![Koepel](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/koepel/32/637546_2.png) [@Koepel](https://forum.arduino.cc/u/Koepel)\
**Post date:** [October 8, 2022, 6:40pm UTC](https://forum.arduino.cc/t/dht22-giving-too-high-humidity-value/1039727/2 "2022-10-08T18:40:52Z")

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No, my experience with the DHT22 are not that good, they are worse 😵  
There are better humidity sensors, such as the HTU31, HTU21D-F, BME688. You find the at Adafruit.

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**Author:** ![system](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/system/32/1140315_2.png) [@system](https://forum.arduino.cc/u/system)\
**Post date:** [April 6, 2023, 6:41pm UTC](https://forum.arduino.cc/t/dht22-giving-too-high-humidity-value/1039727/3 "2023-04-06T18:41:43Z")

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