Average annual temperature is 9.9 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: -20.9 °C
Number of sunny days: 244 days
Number of rainy days: 90 days
Number of snow days: 31 days
Look at detailed online map of Keyhole
* Weather data for Keyhole 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) | 7.9 | 7.5 | 15.1 | 24.9 | 29.2 | 33.8 | 39.4 | 37.1 | 33.6 | 27.1 | 21.3 | 8.6 |
| Average daytime temperature (°C) | 1.3 | 1.8 | 6.6 | 16.2 | 25.0 | 28.6 | 36.1 | 32.9 | 28.1 | 20.5 | 11.3 | 3.0 |
| Average temperature (°C) | -3.8 | -4.5 | 0.0 | 7.3 | 16.5 | 20.0 | 27.0 | 24.1 | 19.1 | 11.6 | 3.7 | -2.7 |
| Average night temperature (°C) | -8.3 | -10.1 | -5.2 | 0.3 | 8.2 | 11.0 | 17.0 | 15.1 | 10.7 | 4.1 | -2.1 | -8.0 |
| Absolute minimum temperature (°C) | -18.3 | -20.9 | -10.6 | -7.9 | 3.7 | 6.6 | 11.6 | 12.8 | 5.5 | -6.1 | -13.3 | -14.7 |
| 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 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 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 | 8.3 | 8.5 | 11.3 | 12.4 | 12.9 | 13.3 | 12.4 | 11.2 | 9.9 | 8.6 | 7.6 |
| Precipitation (mm) | 46 | 37 | 72 | 35 | 16 | 9 | 0 | 8 | 6 | 28 | 22 | 18 |
| Sunny days | 15 | 17 | 14 | 18 | 15 | 20 | 29 | 22 | 24 | 23 | 26 | 21 |
| Rainy days | 7 | 2 | 11 | 10 | 16 | 10 | 2 | 9 | 6 | 8 | 4 | 5 |
| Snow days | 9 | 9 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Keyhole during the most sunny months:
The largest precipitation sum in Keyhole is at