Average annual temperature is 4.8 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: -27.1 °C
Number of sunny days: 186 days
Number of rainy days: 120 days
Number of snow days: 59 days
Look at detailed online map of Deep Tunnel (historical)
* Weather data for Deep Tunnel (historical) 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) | 7.8 | 7.1 | 7.8 | 16.8 | 19.9 | 25.6 | 31.4 | 27.3 | 25.3 | 21.9 | 16.8 | 11.2 |
| Average daytime temperature (°C) | -0.1 | 1.9 | 2.8 | 9.4 | 16.3 | 20.3 | 26.9 | 24.1 | 20.4 | 15.4 | 9.2 | 3.4 |
| Average temperature (°C) | -6.6 | -6.0 | -2.8 | 1.3 | 8.6 | 12.6 | 18.2 | 16.1 | 12.3 | 6.9 | 1.2 | -4.9 |
| Average night temperature (°C) | -12.5 | -12.5 | -8.0 | -5.9 | 1.5 | 4.1 | 9.0 | 8.5 | 4.7 | -0.3 | -4.3 | -10.8 |
| Absolute minimum temperature (°C) | -27.1 | -23.5 | -18.1 | -15.2 | -2.4 | 0.0 | 5.6 | 4.8 | 0.3 | -8.5 | -15.1 | -19.2 |
| 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 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 7.5 | 8.6 | 9.3 | 11.7 | 11.4 | 13.0 | 13.2 | 11.7 | 10.8 | 9.9 | 8.8 | 7.7 |
| Precipitation (mm) | 31 | 46 | 61 | 11 | 85 | 53 | 40 | 88 | 61 | 15 | 11 | 20 |
| Sunny days | 18 | 16 | 11 | 19 | 6 | 12 | 9 | 15 | 16 | 20 | 23 | 21 |
| Rainy days | 1 | 0 | 6 | 1 | 25 | 18 | 22 | 16 | 14 | 10 | 3 | 4 |
| Snow days | 12 | 12 | 14 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 6 |
The best time to visit Deep Tunnel (historical) during the most sunny months:
The largest precipitation sum in Deep Tunnel (historical) is at