in 6 offers
The lowest price for Ecowitt WN31 Multi-Channel Temperature and Humidity Sensor wh31 right now is $15.80 at ecowittweather, compared across 5 retailers.
The all-time low was $14.79 on 4 June 2026 — today's price is 7% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 18 Oct 2026.
Ecowitt WN31 Multi-Channel Temperature and Humidity Sensor wh31
Last updated at 18/10/2026 02:47:08
Ecowitt WN31 Wireless Multi-Channel Temperature and Humidity Sensor
Delivery $10.29
Ecowitt WN31(WH31) Thermometer Hygrometer Wireless 8-Channel Temperature Humidity Sensor with LCD
Delivery $9.57
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!
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 27–30 Oct
WH31 Wireless Thermometer Hygrometer Multi-Channel Temperature and Humidity Sensor
Delivery between 22–26 Oct $15.40
| Wireless | Yes |
| With Humidity Sensor | Yes |
Ecowitt WN31 Wireless Multi-Channel Temperature and Humidity Sensor
Delivery $10.29
Ecowitt WN31(WH31) Thermometer Hygrometer Wireless 8-Channel Temperature Humidity Sensor with LCD
Delivery $9.57
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!
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 27–30 Oct
WH31 Wireless Thermometer Hygrometer Multi-Channel Temperature and Humidity Sensor
Delivery between 22–26 Oct $15.40
| Wireless | Yes |
| With Humidity Sensor | Yes |
