Average annual temperature is 12.2 °C
Absolute maximum temperature: 43.0 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 183 days
Number of rainy days: 181 days
Number of snow days: 1 day
Look at detailed online map of Coles Valley
* Weather data for Coles 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) | 17.1 | 18.0 | 17.6 | 31.3 | 33.1 | 33.3 | 37.0 | 43.0 | 34.6 | 31.0 | 19.2 | 19.1 |
| Average daytime temperature (°C) | 10.4 | 10.9 | 11.2 | 15.4 | 23.3 | 27.2 | 31.0 | 32.6 | 25.7 | 20.7 | 13.8 | 12.3 |
| Average temperature (°C) | 5.2 | 4.4 | 5.1 | 9.3 | 15.0 | 17.5 | 20.9 | 22.3 | 17.4 | 13.2 | 7.9 | 7.8 |
| Average night temperature (°C) | 1.8 | 0.3 | 0.9 | 5.0 | 9.0 | 10.7 | 13.3 | 14.9 | 11.7 | 8.7 | 4.2 | 4.6 |
| Absolute minimum temperature (°C) | -5.5 | -4.4 | -2.7 | -1.1 | 3.2 | 5.6 | 9.7 | 11.8 | 7.9 | -1.1 | -2.8 | -1.2 |
| 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 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 4.2 | 6.3 | 6.2 | 7.0 | 11.3 | 12.9 | 13.2 | 12.1 | 9.4 | 7.6 | 4.9 | 3.1 |
| Precipitation (mm) | 120 | 108 | 183 | 141 | 30 | 26 | 0 | 4 | 51 | 87 | 150 | 209 |
| Sunny days | 7 | 12 | 4 | 7 | 17 | 26 | 31 | 27 | 19 | 15 | 10 | 8 |
| Rainy days | 24 | 15 | 27 | 23 | 14 | 4 | 0 | 4 | 11 | 16 | 20 | 23 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Coles Valley during the most sunny months:
Months with the longest average daylight duration in Coles Valley:
The largest precipitation sum in Coles Valley is at