Average annual temperature is 10.7 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -26.2 °C
Number of sunny days: 182 days
Number of rainy days: 159 days
Number of snow days: 24 days
Look at detailed online map of Forreston
* Weather data for Forreston 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) | 8.7 | 12.0 | 20.3 | 24.9 | 30.5 | 32.6 | 33.8 | 35.8 | 33.7 | 27.4 | 17.9 | 12.8 |
| Average daytime temperature (°C) | 1.4 | 3.7 | 6.9 | 15.6 | 22.8 | 28.1 | 28.6 | 27.7 | 24.3 | 16.1 | 8.6 | 5.7 |
| Average temperature (°C) | -2.3 | -1.7 | 1.8 | 9.1 | 16.3 | 21.6 | 23.0 | 22.3 | 19.2 | 11.8 | 4.0 | 2.1 |
| Average night temperature (°C) | -5.0 | -5.8 | -2.1 | 3.8 | 10.2 | 15.6 | 17.7 | 17.5 | 15.1 | 8.1 | 0.3 | -0.4 |
| Absolute minimum temperature (°C) | -26.2 | -23.3 | -12.7 | -2.2 | 0.7 | 6.9 | 13.4 | 10.0 | 8.7 | -3.1 | -12.5 | -8.5 |
| 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.9 | 7.3 | 6.7 | 9.0 | 11.0 | 12.1 | 12.0 | 11.1 | 8.6 | 7.2 | 7.0 | 4.1 |
| Precipitation (mm) | 69 | 90 | 92 | 86 | 48 | 23 | 70 | 34 | 127 | 113 | 35 | 63 |
| Sunny days | 14 | 16 | 12 | 16 | 21 | 16 | 11 | 15 | 11 | 13 | 21 | 16 |
| Rainy days | 6 | 8 | 15 | 14 | 10 | 14 | 20 | 16 | 19 | 18 | 7 | 12 |
| Snow days | 11 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Forreston during the most sunny months:
The largest precipitation sum in Forreston is at