Average annual temperature is 14.0 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: -9.1 °C
Number of sunny days: 228 days
Number of rainy days: 132 days
Number of snow days: 5 days
Look at detailed online map of Wallula
* Weather data for Wallula United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.1 | 14.4 | 17.3 | 31.7 | 36.1 | 37.5 | 40.3 | 42.1 | 33.6 | 26.3 | 17.5 | 18.0 |
| Average daytime temperature (°C) | 8.2 | 9.2 | 12.8 | 17.8 | 28.7 | 31.0 | 36.3 | 34.2 | 27.0 | 19.0 | 9.6 | 7.7 |
| Average temperature (°C) | 3.4 | 3.6 | 6.6 | 11.4 | 20.9 | 23.6 | 28.4 | 26.4 | 19.8 | 13.0 | 5.5 | 4.3 |
| Average night temperature (°C) | 0.1 | -0.2 | 2.0 | 6.0 | 13.8 | 16.6 | 20.1 | 19.2 | 14.3 | 7.8 | 2.5 | 1.9 |
| Absolute minimum temperature (°C) | -8.5 | -9.1 | -1.7 | -0.2 | 6.9 | 9.7 | 16.0 | 13.5 | 7.5 | -2.5 | -3.9 | -3.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.6 | 15.0 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.0 | 6.5 | 7.9 | 9.4 | 12.9 | 13.4 | 14.0 | 10.8 | 9.4 | 8.2 | 4.8 | 2.7 |
| Precipitation (mm) | 21 | 17 | 37 | 36 | 10 | 2 | 0 | 8 | 20 | 24 | 33 | 52 |
| Sunny days | 15 | 14 | 11 | 14 | 24 | 28 | 30 | 24 | 19 | 20 | 17 | 12 |
| Rainy days | 13 | 12 | 20 | 16 | 7 | 2 | 1 | 7 | 11 | 11 | 13 | 19 |
| Snow days | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Wallula during the most sunny months:
Months with the longest average daylight duration in Wallula:
The largest precipitation sum in Wallula is at