US Geography / US Weather / Illinois Weather / Joliet |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Avg. High | 28 | 34 | 45 | 58 | 71 | 81 | 84 | 82 | 76 | 64 | 48 | 34 |
Avg. Low | 11 | 16 | 27 | 38 | 48 | 58 | 62 | 60 | 54 | 41 | 31 | 18 |
Mean | 21 | 25 | 37 | 48 | 60 | 70 | 74 | 71 | 65 | 54 | 40 | 27 |
Avg. Precip. | 1.4 in | 1.4 in | 2.7 in | 3.8 in | 3.8 in | 4.0 in | 4.0 in | 3.8 in | 3.7 in | 2.6 in | 2.8 in | 2.4 in |
Degrees in Fahrenheit
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