Climate Data Downs
Illinois, United States
Monthly Averages.
Illinois, United States
Monthly Averages.
| Month | High | Low | Precipitation |
|---|---|---|---|
| Jan | 0°C | -10°C | 42 mm |
| Feb | 3°C | -7°C | 41 mm |
| Mar | 9°C | -1°C | 80 mm |
| Apr | 17°C | 4°C | 96 mm |
| May | 23°C | 10°C | 107 mm |
| Jun | 28°C | 16°C | 96 mm |
| Jul | 30°C | 18°C | 101 mm |
| Aug | 28°C | 17°C | 92 mm |
| Sep | 25°C | 12°C | 93 mm |
| Oct | 19°C | 6°C | 69 mm |
| Nov | 10°C | 0°C | 72 mm |
| Dec | 3°C | -6°C | 70 mm |