Average annual temperature is 11.5 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -17.6 °C
Number of sunny days: 167 days
Number of rainy days: 181 days
Number of snow days: 17 days
Look at detailed online map of Forest Glen
* Weather data for Forest Glen 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) | 16.1 | 14.5 | 17.1 | 25.9 | 31.1 | 33.2 | 32.1 | 32.3 | 31.9 | 28.9 | 19.6 | 14.2 |
| Average daytime temperature (°C) | 4.1 | 7.1 | 7.7 | 16.5 | 22.1 | 27.1 | 28.6 | 26.6 | 24.3 | 17.2 | 10.2 | 7.0 |
| Average temperature (°C) | 0.7 | 1.5 | 2.7 | 10.0 | 15.9 | 20.7 | 23.2 | 21.6 | 19.1 | 12.7 | 5.2 | 3.8 |
| Average night temperature (°C) | -1.8 | -2.3 | -0.8 | 4.8 | 10.2 | 15.0 | 18.1 | 17.1 | 14.8 | 9.1 | 1.4 | 1.4 |
| Absolute minimum temperature (°C) | -11.1 | -17.6 | -8.2 | -2.5 | 1.8 | 10.1 | 14.3 | 11.7 | 9.9 | -3.3 | -7.7 | -5.3 |
| 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 | 9.3 |
| 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) | 3.0 | 7.5 | 6.3 | 9.0 | 10.3 | 11.2 | 12.1 | 10.4 | 9.2 | 6.9 | 7.0 | 3.7 |
| Precipitation (mm) | 73 | 80 | 158 | 86 | 85 | 52 | 98 | 141 | 36 | 133 | 27 | 69 |
| Sunny days | 9 | 17 | 11 | 14 | 21 | 14 | 10 | 14 | 16 | 10 | 21 | 10 |
| Rainy days | 14 | 10 | 17 | 16 | 10 | 16 | 21 | 17 | 14 | 20 | 7 | 19 |
| Snow days | 8 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 |
The best time to visit Forest Glen during the most sunny months:
The largest precipitation sum in Forest Glen is at