Best Time to Visit Iowa City: Month-by-Month Guide
Best months for Iowa City: September, July, August.
- Best months for Iowa City: September, July, August.
- 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 January (score 4.1).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -1°C | -10°C | 38 mm | 7 | – | – | 4.1 |
| February | 1°C | -7°C | 46 mm | 7 | – | – | 4.3 |
| March | 9°C | -1°C | 69 mm | 9 | – | – | 5.5 |
| April | 17°C | 5°C | 110 mm | 11 | – | – | 6.6 |
| May | 22°C | 11°C | 123 mm | 13 | – | – | 7.1 |
| June | 27°C | 17°C | 128 mm | 12 | – | – | 7.2 |
| July | 29°C | 19°C | 95 mm | 9 | – | – | 7.8 |
| August | 28°C | 18°C | 96 mm | 9 | – | – | 7.8 |
| September | 24°C | 13°C | 99 mm | 8 | – | – | 7.9 |
| October | 17°C | 7°C | 75 mm | 9 | – | – | 7.2 |
| November | 9°C | 0°C | 59 mm | 8 | – | – | 5.8 |
| December | 2°C | -6°C | 49 mm | 7 | – | – | 4.3 |
Frequently asked questions
When is the best time to visit Iowa City?
The best months are September, July, August.
When is the rainy season in Iowa City?
The wettest months are May, June, April.