Average annual temperature is 10.7 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -17.4 °C
Number of sunny days: 150 days
Number of rainy days: 208 days
Number of snow days: 7 days
Look at detailed online map of Borough of Edwardsville
* Weather data for Borough of Edwardsville 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) | 14.0 | 16.2 | 15.5 | 28.9 | 29.8 | 32.5 | 32.4 | 29.0 | 32.6 | 27.5 | 17.7 | 11.7 |
| Average daytime temperature (°C) | 5.5 | 7.0 | 8.1 | 17.4 | 20.7 | 24.0 | 28.2 | 25.7 | 22.9 | 17.1 | 8.9 | 6.4 |
| Average temperature (°C) | 1.9 | 1.3 | 2.7 | 10.8 | 13.6 | 18.3 | 22.6 | 20.4 | 17.5 | 12.3 | 4.0 | 2.6 |
| Average night temperature (°C) | -1.0 | -3.3 | -1.7 | 5.4 | 7.1 | 13.0 | 17.6 | 15.8 | 13.1 | 8.4 | 0.2 | -0.3 |
| Absolute minimum temperature (°C) | -6.8 | -17.4 | -7.7 | -2.5 | 1.3 | 7.8 | 13.8 | 11.8 | 7.0 | 2.1 | -6.0 | -5.8 |
| 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) | 4.3 | 6.4 | 7.0 | 8.6 | 12.1 | 11.2 | 11.8 | 10.7 | 8.7 | 7.6 | 7.3 | 3.7 |
| Precipitation (mm) | 97 | 47 | 89 | 90 | 38 | 138 | 102 | 145 | 135 | 94 | 51 | 134 |
| Sunny days | 11 | 12 | 11 | 14 | 21 | 8 | 8 | 8 | 14 | 16 | 16 | 11 |
| Rainy days | 19 | 14 | 19 | 16 | 10 | 22 | 23 | 23 | 16 | 15 | 13 | 18 |
| Snow days | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Borough of Edwardsville during the most sunny months:
The largest precipitation sum in Borough of Edwardsville is at