Best Time to Visit Dubuque: Month-by-Month Guide
Best months for Dubuque: September, August, July.
- Best months for Dubuque: September, August, July.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: May, September, October. Good weather without the busiest period.
- Wettest months: May, June, April.
- The least pleasant month is December (score 4.1).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -2°C | -10°C | 38 mm | 7 | – | – | 4.1 |
| February | 0°C | -8°C | 43 mm | 6 | – | – | 4.2 |
| March | 8°C | -2°C | 63 mm | 9 | – | – | 5.3 |
| April | 15°C | 5°C | 106 mm | 12 | – | – | 6.3 |
| May | 21°C | 11°C | 114 mm | 13 | – | – | 7.1 |
| June | 26°C | 17°C | 120 mm | 12 | – | – | 7.3 |
| July | 28°C | 19°C | 98 mm | 10 | – | – | 7.6 |
| August | 27°C | 17°C | 96 mm | 10 | – | – | 7.7 |
| September | 23°C | 13°C | 92 mm | 9 | – | – | 7.9 |
| October | 16°C | 6°C | 69 mm | 8 | – | – | 7.0 |
| November | 8°C | 0°C | 58 mm | 8 | – | – | 5.6 |
| December | 1°C | -6°C | 48 mm | 7 | – | – | 4.1 |
Frequently asked questions
When is the best time to visit Dubuque?
The best months are September, August, July.
When is the rainy season in Dubuque?
The wettest months are May, June, April.