Average annual temperature is 14.7 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -7.5 °C
Number of sunny days: 208 days
Number of rainy days: 157 days
Look at detailed online map of Keystone Forest
* Weather data for Keystone Forest 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) | 18.8 | 24.5 | 27.1 | 30.2 | 29.6 | 31.6 | 37.1 | 35.7 | 34.3 | 28.5 | 27.1 | 20.2 |
| Average daytime temperature (°C) | 11.1 | 14.2 | 15.6 | 22.3 | 23.6 | 27.7 | 32.6 | 30.9 | 27.0 | 21.9 | 14.6 | 11.4 |
| Average temperature (°C) | 5.8 | 8.2 | 8.8 | 14.9 | 17.3 | 21.1 | 26.0 | 24.4 | 20.7 | 15.3 | 8.0 | 5.6 |
| Average night temperature (°C) | 2.1 | 3.3 | 3.5 | 8.3 | 11.8 | 15.2 | 20.1 | 19.1 | 15.6 | 10.0 | 2.6 | 1.4 |
| Absolute minimum temperature (°C) | -4.2 | -7.5 | -5.4 | 1.3 | 4.9 | 10.0 | 17.1 | 15.5 | 10.7 | 3.4 | -5.5 | -4.8 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 5.8 | 6.8 | 8.3 | 9.6 | 10.3 | 10.7 | 12.3 | 10.6 | 9.6 | 9.1 | 8.3 | 6.5 |
| Precipitation (mm) | 83 | 80 | 51 | 111 | 63 | 80 | 60 | 64 | 59 | 23 | 56 | 123 |
| Sunny days | 15 | 17 | 15 | 18 | 15 | 14 | 10 | 16 | 18 | 24 | 26 | 20 |
| Rainy days | 16 | 11 | 16 | 12 | 16 | 16 | 21 | 15 | 12 | 7 | 4 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Keystone Forest during the most sunny months:
The largest precipitation sum in Keystone Forest is at