US Geography / US Weather / Illinois Weather / Edwardsville |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 36 | 40 | 52 | 64 | 74 | 84 | 88 | 86 | 78 | 67 | 54 | 40 |
| Avg. Low | 17 | 21 | 32 | 44 | 54 | 64 | 68 | 66 | 57 | 46 | 35 | 24 |
| Mean | 27 | 31 | 44 | 55 | 65 | 74 | 78 | 76 | 68 | 57 | 45 | 32 |
| Avg. Precip. | 1.9 in | 2.1 in | 3.6 in | 3.7 in | 4.3 in | 3.3 in | 3.7 in | 3.3 in | 3.1 in | 2.8 in | 3.4 in | 3.3 in |
Degrees in Fahrenheit
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