Average annual temperature is 13.9 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 213 days
Number of rainy days: 146 days
Number of snow days: 6 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) | 13.5 | 17.7 | 22.3 | 27.5 | 32.1 | 37.2 | 38.1 | 38.5 | 35.7 | 31.7 | 23.6 | 15.6 |
| Average daytime temperature (°C) | 6.1 | 9.8 | 11.3 | 19.9 | 26.0 | 30.5 | 31.8 | 31.4 | 29.0 | 20.4 | 12.6 | 8.9 |
| Average temperature (°C) | 1.0 | 2.6 | 5.4 | 12.8 | 19.2 | 24.2 | 25.7 | 25.6 | 22.5 | 15.1 | 7.3 | 4.6 |
| Average night temperature (°C) | -2.7 | -2.6 | 1.1 | 7.1 | 13.3 | 18.5 | 20.8 | 21.0 | 17.0 | 10.5 | 3.0 | 1.4 |
| Absolute minimum temperature (°C) | -11.6 | -12.1 | -8.5 | -1.2 | 4.4 | 11.7 | 16.6 | 15.3 | 12.2 | -3.1 | -6.3 | -3.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 7.9 | 7.3 | 10.1 | 10.2 | 12.3 | 10.8 | 10.9 | 10.5 | 7.9 | 6.6 | 4.9 |
| Precipitation (mm) | 81 | 71 | 86 | 59 | 105 | 91 | 121 | 116 | 73 | 115 | 31 | 86 |
| Sunny days | 21 | 19 | 12 | 20 | 16 | 17 | 12 | 17 | 24 | 18 | 21 | 16 |
| Rainy days | 8 | 9 | 17 | 10 | 15 | 13 | 19 | 14 | 6 | 13 | 8 | 14 |
| Snow days | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Wallula during the most sunny months:
The largest precipitation sum in Wallula is at