US Geography / US Weather / Iowa Weather / Boone |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 27 | 34 | 45 | 60 | 72 | 81 | 86 | 84 | 76 | 64 | 47 | 31 |
| Avg. Low | 5 | 11 | 24 | 37 | 48 | 57 | 61 | 58 | 50 | 38 | 26 | 11 |
| Mean | 17 | 22 | 35 | 48 | 61 | 68 | 74 | 71 | 64 | 51 | 37 | 22 |
| Avg. Precip. | 0.9 in | 1.1 in | 2.3 in | 3.3 in | 4.5 in | 5.3 in | 3.8 in | 4.0 in | 3.6 in | 2.6 in | 1.8 in | 1.3 in |
Degrees in Fahrenheit
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