Average annual temperature is 9.5 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: -15.6 °C
Number of sunny days: 136 days
Number of rainy days: 201 days
Number of snow days: 28 days
Look at detailed online map of Forest County
* Weather data for Forest County 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) | 12.9 | 17.2 | 16.4 | 26.5 | 30.2 | 31.3 | 29.6 | 30.4 | 30.3 | 25.8 | 14.1 | 12.9 |
| Average daytime temperature (°C) | 4.1 | 7.5 | 6.5 | 15.9 | 19.8 | 22.9 | 26.2 | 24.3 | 21.4 | 15.1 | 8.0 | 6.1 |
| Average temperature (°C) | 0.5 | 0.6 | 1.1 | 9.0 | 13.0 | 17.1 | 20.6 | 18.8 | 16.1 | 10.8 | 3.2 | 2.5 |
| Average night temperature (°C) | -2.1 | -4.0 | -3.0 | 3.4 | 6.5 | 12.0 | 15.8 | 14.5 | 11.8 | 7.2 | -0.3 | -0.1 |
| Absolute minimum temperature (°C) | -9.1 | -15.6 | -9.9 | -5.2 | 0.3 | 7.0 | 11.8 | 9.7 | 6.7 | -1.0 | -8.8 | -6.4 |
| 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) | 2.4 | 6.2 | 5.8 | 8.3 | 10.7 | 10.6 | 11.6 | 10.4 | 8.6 | 6.1 | 6.2 | 3.5 |
| Precipitation (mm) | 135 | 81 | 122 | 81 | 43 | 143 | 126 | 133 | 57 | 89 | 55 | 86 |
| Sunny days | 5 | 10 | 7 | 13 | 22 | 11 | 6 | 8 | 13 | 15 | 15 | 11 |
| Rainy days | 16 | 15 | 16 | 16 | 9 | 19 | 25 | 23 | 17 | 16 | 12 | 17 |
| Snow days | 10 | 3 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The best time to visit Forest County during the most sunny months:
The largest precipitation sum in Forest County is at