Temperature and humidity sensor disconnecting

I have Temperature sensor outside on window, but now in cold weather it can’t handle low temperatures and is still disconnecting. It is only slightly below 0 celsius, but it should work until -20.
What’s wrong?

Hi, welcome to the forum.


Change to a new battery, 99% that the problem is in it. This is a graph of the temperature in my freezer.

I have a temperature sensor outside too, worked well here, been a few minus degrees the last week

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so it seems that Consumable overview is useless, when it displays full battery

anyway, I have changed battery and it is offline again :-/

but thanks for tip

Hello, then you have a problem with the Zigbee repeater.

M3 hub is about 1 meter from that sensor and every other accessory work well, including temperature sensor in different room then hub

What other devices are there in the house besides the gateway and temperature sensors?

few homepods mini, hue hub and bulbs, aqara roller shade driver, two more temp sensors inside, some aqara buttons

i will try to leave it inside for few days and swap it with some of other sensor from indoor

so final solution was complete sensor reset and adding to m3 hub again, now it looks like it is working again

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