US Geography / US Weather / Illinois Weather / Galena |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 27 | 32 | 44 | 58 | 71 | 80 | 84 | 81 | 74 | 62 | 46 | 32 |
| Avg. Low | 7 | 11 | 24 | 36 | 46 | 57 | 61 | 58 | 50 | 38 | 27 | 15 |
| Mean | 18 | 22 | 34 | 48 | 58 | 68 | 74 | 71 | 62 | 51 | 37 | 24 |
| Avg. Precip. | 1.0 in | 1.0 in | 2.3 in | 3.1 in | 3.5 in | 4.3 in | 3.5 in | 4.3 in | 4.0 in | 2.5 in | 2.4 in | 1.7 in |
Degrees in Fahrenheit
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