US Geography / US Weather / Wisconsin Weather / Oconomowoc |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 24 | 28 | 40 | 55 | 68 | 77 | 82 | 78 | 70 | 58 | 44 | 28 |
| Avg. Low | 6 | 10 | 22 | 35 | 46 | 55 | 60 | 58 | 48 | 38 | 27 | 14 |
| Mean | 15 | 18 | 32 | 45 | 58 | 67 | 72 | 68 | 60 | 48 | 36 | 21 |
| Avg. Precip. | 1.0 in | 0.9 in | 1.9 in | 2.8 in | 2.9 in | 3.6 in | 3.8 in | 3.9 in | 3.9 in | 2.5 in | 2.1 in | 1.7 in |
Degrees in Fahrenheit
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