US Geography / US Weather / Illinois Weather / Galesburg |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 28 | 34 | 47 | 61 | 72 | 81 | 85 | 82 | 75 | 64 | 48 | 34 |
| Avg. Low | 12 | 17 | 28 | 40 | 50 | 60 | 64 | 62 | 54 | 42 | 31 | 18 |
| Mean | 21 | 26 | 38 | 51 | 62 | 71 | 75 | 74 | 65 | 54 | 40 | 26 |
| Avg. Precip. | 1.4 in | 1.3 in | 3.0 in | 4.0 in | 3.6 in | 4.0 in | 4.4 in | 3.8 in | 4.0 in | 2.6 in | 2.4 in | 2.3 in |
Degrees in Fahrenheit
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