in 5 offers
The lowest price for Ecowitt WN31 Multi-Channel Temperature and Humidity Sensor wh31 right now is $15.64 at ecowittweather, compared across 5 retailers.
The all-time low was $14.79 on 4 June 2026 — today's price is 6% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 31 Oct 2026.
Ecowitt WN31 Multi-Channel Temperature and Humidity Sensor wh31
Last updated at 31/10/2026 16:01:37
Ecowitt WH31 Wireless Thermometer Hygrometer with Digital LCD Display
Delivery $10.19
Ecowitt WN31(WH31) Thermometer Hygrometer Wireless 8-Channel Temperature Humidity Sensor with LCD
Delivery $8.90
Ecowitt Wn31 Wireless Multi-channel Thermometer And Hygrometer Sensor
Free delivery
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Ecowitt WN31 (WH31) | Wireless Temperature & Humidity Sensor with Display
Delivery between 4–9 Nov $20
WN31 Wireless Multi-Channels Thermometer and Hygrometer Sensor, Temperature & Humidity Gauge with LCD Display, Dip Switches to Switch /(Not use as Out
Free delivery between 10–13 Nov
| Wireless | Yes |
| With Humidity Sensor | Yes |
Ecowitt WH31 Wireless Thermometer Hygrometer with Digital LCD Display
Delivery $10.19
Ecowitt WN31(WH31) Thermometer Hygrometer Wireless 8-Channel Temperature Humidity Sensor with LCD
Delivery $8.90
Ecowitt Wn31 Wireless Multi-channel Thermometer And Hygrometer Sensor
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Ecowitt WN31 (WH31) | Wireless Temperature & Humidity Sensor with Display
Delivery between 4–9 Nov $20
WN31 Wireless Multi-Channels Thermometer and Hygrometer Sensor, Temperature & Humidity Gauge with LCD Display, Dip Switches to Switch /(Not use as Out
Free delivery between 10–13 Nov
| Wireless | Yes |
| With Humidity Sensor | Yes |
