Average annual temperature is 17.3 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: -4.8 °C
Number of sunny days: 197 days
Number of rainy days: 168 days
Look at detailed online map of West Valley
* Weather data for West Valley 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) | 21.2 | 23.3 | 25.3 | 27.3 | 30.8 | 37.3 | 37.7 | 39.8 | 36.9 | 31.4 | 25.9 | 18.6 |
| Average daytime temperature (°C) | 12.9 | 15.2 | 18.3 | 21.4 | 26.8 | 32.4 | 34.3 | 35.1 | 30.4 | 23.2 | 17.0 | 13.0 |
| Average temperature (°C) | 7.8 | 8.9 | 12.1 | 15.1 | 20.7 | 25.6 | 27.8 | 28.4 | 24.2 | 17.6 | 11.1 | 7.8 |
| Average night temperature (°C) | 3.9 | 4.8 | 7.3 | 10.0 | 15.5 | 19.8 | 22.7 | 22.8 | 19.0 | 13.2 | 6.4 | 3.9 |
| Absolute minimum temperature (°C) | -3.6 | -4.7 | -4.8 | 4.1 | 5.0 | 16.4 | 19.0 | 17.2 | 14.6 | -1.5 | -3.9 | -2.6 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.0 | 5.9 | 7.8 | 8.7 | 10.4 | 12.0 | 11.5 | 11.8 | 10.3 | 7.7 | 7.4 | 7.1 |
| Precipitation (mm) | 98 | 166 | 224 | 87 | 77 | 100 | 49 | 68 | 47 | 147 | 78 | 89 |
| Sunny days | 17 | 11 | 15 | 16 | 15 | 11 | 15 | 21 | 18 | 18 | 19 | 21 |
| Rainy days | 14 | 17 | 16 | 14 | 16 | 19 | 16 | 10 | 12 | 13 | 11 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit West Valley during the most sunny months:
The largest precipitation sum in West Valley is at