Question 1

Which is better, Ambient Weather WH31B or Ecowitt WH40?

Accepted Answer

Based on our testing, the Ambient Weather WH31B scores higher overall at 9.6/10. The Ambient Weather WH31B scored 9.6/10 and the Ecowitt WH40 scored 9.4/10 in our Best WiFi Rain Gauges 2026 evaluation.

Question 2

Is the Ambient Weather WH31B worth it over the Ecowitt WH40?

Accepted Answer

The Ambient Weather WH31B scores 9.6/10 while the Ecowitt WH40 scores 9.4/10. The Ambient Weather WH31B is our "Best Overall" pick in the Best WiFi Rain Gauges 2026 category.

Ambient Weather WH31B vs Ecowitt WH40: Which to Buy?