Aqara Temperature and Humidity Sensor

Quick verdict

Aqara's classic Temperature and Humidity Sensor is a tiny, cheap Zigbee unit that also reports atmospheric pressure. It pairs locally through zigbee2mqtt or ZHA and supports calibration offsets. At this price you can scatter them around the house for room-by-room climate data in Home Assistant.

Standout: Tiny, very cheap Zigbee sensor that reports temperature, humidity and atmospheric pressure.

Last checked: 2026-05-25

Compatibility snapshot

Why it stands out

• measures temperature, humidity and atmospheric pressure in one tiny unit
• very cheap, so easy to place several around the house
• supports per-sensor calibration offsets in zigbee2mqtt

Reasons to hesitate

• requires a Zigbee coordinator (Aqara officially supports only their own hub, but ZHA/zigbee2mqtt work well)
• Xiaomi/Aqara Zigbee devices can occasionally drop off non-Aqara meshes
• battery device reports on intervals, not instantly

Best for

• Zigbee Home Assistant setups wanting cheap room climate monitoring
• tracking temperature, humidity and pressure trends across multiple rooms

Avoid if

• you have no Zigbee coordinator
• you want a built-in display

Privacy and local-control notes

Pure Zigbee device with no cloud component. Fully local when paired to a Zigbee coordinator via zigbee2mqtt or ZHA.

Home Assistant support: supported · integration path: zigbee2mqtt / ZHA.

Buying reality check

Price notes: One of the cheapest Zigbee climate sensors, often under fifteen USD. Model WSDCGQ11LM.

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