Aqara temperature sensor tested for outdoor use

Around the Christmas holidays I got a Mi temperature sensor, which was replaced by an Aqara temperature sensor and therefore lay since then in the drawer. Since this sensor is besides the additional air pressure sensor and the slightly different design identical to the Aqara temperature sensor and the Xiaomi sensors anyway only cost a few Euros I decided to send the sensor into the cold and wet winter weather to test it a little bit for outdoor suitability.

A good 5 months later I can report so much in advance: the sensor is still running, the winter and even the rainy weather of the last months couldn’t harm it and it delivers reliable temperature and humidity data. I mounted the sensor on the windowsill, a bit weather-protected under the eaves, but depending on rain and snowfall it got wet from time to time. My measured values which I achieved largely coincided with those of an old radio weather station and even at sub-zero temperatures the temperature sensor did not go down.

Image result for aqara temperature humidity sensor

Of course the whole thing does not replace a real weather station, but it is above all one thing: inexpensive for an Aqara temperature sensor. Furthermore, it is easy to mount and dismount and depending on the living situation – as with me – you don’t want to or can’t mount a weather station including wind and rain sensors on the roof of your house. With the Aqara sensors and the Aqara Gateway – which, by the way, is still a long time coming in this country – Homekit is no problem either.

I read the data myself via ioBroker, log it into a database and display it (as on the graphs above) in Grafana. How this works I will show you in the next weeks in a tutorial. If you use a Mi Gateway you can of course also read the data comfortably via Mi Home App. Alternatives to this I have already introduced you in my review of the Aqara temperature sensor.

So if you like to log the outside temperature for a few Euros or if you want to use the whole thing for automation, you can do this with a Xiaomi temperature sensor, which apparently can withstand a lot of humidity and temperature differences. I can also use additional weather data via Openweathermap. Here I am lucky that no more than 100 meters away someone in the same village makes his weather station data available. These do not update themselves in real time as with my temperature sensor, but as a supplement they are of course super and completely sufficient for me in the constellation at the present time.

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