Average annual temperature is 11.2 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -18.2 °C
Number of sunny days: 143 days
Number of rainy days: 210 days
Number of snow days: 12 days
Look at detailed online map of Keyser Valley
* Weather data for Keyser 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) | 15.1 | 16.9 | 15.7 | 29.6 | 30.7 | 33.5 | 32.6 | 29.8 | 32.5 | 28.6 | 18.0 | 12.8 |
| Average daytime temperature (°C) | 6.1 | 7.5 | 8.6 | 18.0 | 21.4 | 24.9 | 28.8 | 26.3 | 23.4 | 17.8 | 9.4 | 7.2 |
| Average temperature (°C) | 2.4 | 1.5 | 3.0 | 11.2 | 14.1 | 18.9 | 23.1 | 20.8 | 17.9 | 12.8 | 4.4 | 3.3 |
| Average night temperature (°C) | -0.5 | -3.1 | -1.5 | 5.7 | 7.3 | 13.5 | 18.3 | 16.1 | 13.5 | 8.9 | 0.5 | 0.4 |
| Absolute minimum temperature (°C) | -6.7 | -18.2 | -10.7 | -2.6 | 0.9 | 8.0 | 13.9 | 11.3 | 6.6 | 2.5 | -5.2 | -5.2 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| 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) | 3.8 | 6.0 | 6.7 | 8.4 | 12.1 | 11.0 | 11.6 | 10.3 | 8.5 | 7.3 | 7.3 | 3.7 |
| Precipitation (mm) | 91 | 50 | 100 | 91 | 58 | 108 | 111 | 141 | 123 | 94 | 55 | 141 |
| Sunny days | 8 | 10 | 9 | 15 | 20 | 8 | 8 | 8 | 14 | 15 | 16 | 12 |
| Rainy days | 20 | 14 | 21 | 15 | 11 | 22 | 23 | 23 | 16 | 16 | 13 | 16 |
| Snow days | 3 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The best time to visit Keyser Valley during the most sunny months:
The largest precipitation sum in Keyser Valley is at