US Geography / US Weather / Illinois Weather / Oak Forest |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Avg. High | 28 | 34 | 46 | 58 | 70 | 80 | 84 | 82 | 75 | 64 | 48 | 35 |
Avg. Low | 14 | 18 | 30 | 40 | 50 | 60 | 65 | 64 | 56 | 44 | 34 | 21 |
Mean | 22 | 27 | 38 | 50 | 61 | 71 | 75 | 74 | 66 | 54 | 41 | 28 |
Avg. Precip. | 1.7 in | 1.5 in | 2.9 in | 3.9 in | 3.6 in | 3.9 in | 4.3 in | 3.7 in | 3.7 in | 2.5 in | 3.0 in | 2.8 in |
Degrees in Fahrenheit
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