Average annual temperature is 9.8 °C
Absolute maximum temperature: 30.2 °C
Absolute minimum temperature: -20.3 °C
Number of sunny days: 150 days
Number of rainy days: 193 days
Number of snow days: 22 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) | 15.2 | 14.1 | 13.7 | 27.8 | 26.8 | 30.2 | 29.7 | 27.3 | 29.8 | 25.5 | 16.1 | 11.4 |
| Average daytime temperature (°C) | 4.5 | 5.6 | 6.2 | 15.5 | 19.0 | 22.1 | 26.1 | 23.7 | 21.1 | 15.8 | 7.5 | 5.5 |
| Average temperature (°C) | 1.2 | 0.3 | 1.4 | 9.8 | 12.9 | 17.1 | 21.4 | 19.3 | 16.7 | 11.7 | 3.1 | 2.1 |
| Average night temperature (°C) | -1.5 | -3.9 | -2.4 | 5.1 | 7.6 | 12.9 | 17.7 | 15.6 | 13.3 | 8.5 | -0.3 | -0.3 |
| Absolute minimum temperature (°C) | -8.2 | -20.3 | -8.6 | -3.3 | 1.0 | 8.0 | 12.8 | 11.2 | 8.1 | 0.4 | -7.5 | -6.0 |
| 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) | 4.5 | 6.6 | 7.1 | 8.7 | 12.1 | 10.7 | 11.6 | 10.3 | 8.3 | 7.6 | 7.4 | 3.7 |
| Precipitation (mm) | 116 | 42 | 105 | 107 | 43 | 120 | 99 | 112 | 115 | 83 | 63 | 157 |
| Sunny days | 10 | 13 | 10 | 15 | 19 | 10 | 5 | 10 | 14 | 13 | 18 | 13 |
| Rainy days | 17 | 9 | 13 | 15 | 12 | 20 | 26 | 21 | 16 | 18 | 10 | 16 |
| Snow days | 4 | 6 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The best time to visit Forest Glen during the most sunny months:
The largest precipitation sum in Forest Glen is at