US Geography / US Weather / Iowa Weather / Dubuque |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 24 | 28 | 42 | 57 | 68 | 78 | 82 | 78 | 71 | 60 | 44 | 28 |
| Avg. Low | 7 | 12 | 25 | 37 | 48 | 57 | 62 | 58 | 51 | 40 | 27 | 14 |
| Mean | 16 | 21 | 34 | 48 | 58 | 68 | 72 | 70 | 62 | 51 | 36 | 22 |
| Avg. Precip. | 1.3 in | 1.3 in | 2.9 in | 3.7 in | 4.3 in | 4.1 in | 4.0 in | 4.7 in | 4.7 in | 2.7 in | 2.7 in | 2.0 in |
Degrees in Fahrenheit
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