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Historical Dubuque Weather Data
| Record High Temp (°F) |
Normal High Temp (°F) |
Normal Low Temp (°F) |
Record Low Temp (°F) |
Normal Monthly Precipitation (in.) |
Normal Monthly Snowfall (in.) |
|
|---|---|---|---|---|---|---|
| January | 60 | 24.8 | 9.2 | -28 | 1.28 | 9.6 |
| February | 66 | 30.8 | 15.4 | -27 | 1.42 | 7.6 |
| March | 85 | 43.3 | 26.2 | -20 | 2.57 | 8.8 |
| April | 93 | 57.4 | 37.5 | 11 | 3.49 | 2.5 |
| May | 91 | 69.3 | 48.8 | 21 | 4.12 | 0.1 |
| June | 100 | 78.6 | 57.9 | 36 | 4.08 | T |
| July | 101 | 82.1 | 62.4 | 44 | 3.73 | 0 |
| August | 100 | 79.8 | 60.2 | 40 | 4.59 | 0 |
| September | 97 | 71.9 | 51.7 | 28 | 3.56 | T |
| October | 90 | 60.3 | 40.5 | 13 | 2.5 | 0.2 |
| November | 75 | 43.6 | 27.8 | -17 | 2.49 | 3.3 |
| December | 67 | 29.7 | 15.2 | -25 | 1.69 | 10.1 |
