US Geography / US Weather / Illinois Weather / Naperville |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Avg. High | 28 | 35 | 47 | 61 | 74 | 82 | 86 | 84 | 77 | 65 | 48 | 35 |
Avg. Low | 12 | 16 | 27 | 37 | 47 | 57 | 61 | 60 | 52 | 41 | 31 | 18 |
Mean | 21 | 26 | 38 | 50 | 60 | 70 | 74 | 72 | 65 | 54 | 41 | 27 |
Avg. Precip. | 1.6 in | 1.3 in | 2.7 in | 3.8 in | 3.7 in | 3.7 in | 4.3 in | 4.1 in | 3.7 in | 2.4 in | 2.9 in | 2.5 in |
Degrees in Fahrenheit
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