Average annual temperature is 13.2 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -10.7 °C
Number of sunny days: 175 days
Number of rainy days: 185 days
Number of snow days: 5 days
Look at detailed online map of Glen Elyn
* Weather data for Glen Elyn 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) | 16.6 | 21.1 | 22.2 | 29.4 | 27.9 | 33.8 | 35.2 | 33.1 | 35.9 | 26.9 | 22.1 | 16.7 |
| Average daytime temperature (°C) | 8.5 | 10.0 | 11.3 | 19.5 | 21.8 | 26.4 | 30.1 | 28.9 | 25.0 | 19.6 | 11.9 | 8.9 |
| Average temperature (°C) | 4.7 | 4.9 | 5.7 | 13.4 | 15.6 | 20.1 | 24.4 | 23.4 | 19.9 | 14.4 | 6.8 | 5.1 |
| Average night temperature (°C) | 1.8 | 0.7 | 1.1 | 8.3 | 9.8 | 14.9 | 20.1 | 19.1 | 15.7 | 10.3 | 2.9 | 1.9 |
| Absolute minimum temperature (°C) | -3.6 | -10.7 | -5.4 | -0.1 | 3.7 | 10.4 | 18.0 | 15.1 | 10.4 | 4.3 | -5.6 | -3.3 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 5.0 | 7.0 | 7.5 | 9.3 | 11.0 | 10.7 | 11.8 | 10.4 | 8.4 | 8.7 | 7.8 | 4.9 |
| Precipitation (mm) | 83 | 51 | 86 | 115 | 28 | 126 | 132 | 60 | 148 | 56 | 76 | 157 |
| Sunny days | 13 | 16 | 14 | 16 | 20 | 10 | 7 | 11 | 14 | 17 | 23 | 14 |
| Rainy days | 18 | 10 | 16 | 14 | 11 | 20 | 24 | 20 | 16 | 14 | 7 | 15 |
| Snow days | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Glen Elyn during the most sunny months:
The largest precipitation sum in Glen Elyn is at