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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