US Geography / US Weather / Iowa Weather / Clinton |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 28 | 35 | 47 | 62 | 74 | 84 | 86 | 84 | 76 | 65 | 48 | 34 |
| Avg. Low | 11 | 16 | 28 | 38 | 50 | 58 | 64 | 61 | 54 | 42 | 31 | 17 |
| Mean | 20 | 26 | 38 | 51 | 64 | 71 | 75 | 74 | 65 | 54 | 40 | 26 |
| Avg. Precip. | 1.4 in | 1.1 in | 2.5 in | 3.4 in | 3.7 in | 4.4 in | 3.9 in | 4.5 in | 3.5 in | 2.8 in | 2.3 in | 2.0 in |
Degrees in Fahrenheit
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