Climate in Dubuque: average temperature by month
In Dubuque the warmest month is July, with 29.7 °C on average in the afternoon; the coolest is January, with -0.6 °C.
The average of the weather stations Cedar Rapids (91 km) and Rock Is L&D (110 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | -0.6 °C | -1.2 °C – 0.2 °C |
| February | 2.2 °C | 0.1 °C – 5.2 °C |
| March | 9.6 °C | 5.8 °C – 13.0 °C |
| April | 16.8 °C | 13.4 °C – 19.9 °C |
| May | 23.1 °C | 20.1 °C – 26.2 °C |
| June | 28.3 °C | 26.4 °C – 29.5 °C |
| July | 29.7 °C | 29.5 °C – 30.0 °C |
| August | 28.7 °C | 28.0 °C – 29.5 °C |
| September | 25.6 °C | 22.7 °C – 27.8 °C |
| October | 18.2 °C | 13.6 °C – 22.5 °C |
| November | 9.2 °C | 5.0 °C – 13.4 °C |
| December | 2.1 °C | 0.2 °C – 4.7 °C |