Iowa City Weather Climatology
Are you looking for what the weather is like in Iowa City, Iowa by month? Here are the climate averages by month (data from 1991 through 2020). If you are looking for the current weather forecast for Iowa City, be sure to visit our current weather forecast page.
| Average High Temperature | Average Low Temperature | Total Average Precipitation | |
| January | 31°F | 15°F | 1.04″ |
| February | 36°F | 19°F | 1.27″ |
| March | 49°F | 30°F | 2.21″ |
| April | 63°F | 40°F | 3.76″ |
| May | 73°F | 52°F | 4.48″ |
| June | 83°F | 62°F | 5.29″ |
| July | 86°F | 66°F | 3.91″ |
| August | 84°F | 63°F | 3.94″ |
| September | 78°F | 54°F | 3.24″ |
| October | 64°F | 42°F | 2.98″ |
| November | 49°F | 30°F | 2.17″ |
| Decemeber | 36°F | 20°F | 1.45″ |
What is the coldest month in Iowa City?
Based on monthly averages, the coldest month in Iowa City, Iowa is January. During the month of January the average high is 31°F with the average overnight lows averaging out at 15°F.
How much snow does Iowa City get?
On average, Iowa City receives 26 to 30 inches of snow in a winter.
What are winters like in Iowa City?
The winter months in Iowa City start in November and end in early March. Temperatures during this timeframe can range from the 30s to temperatures below zero. The average snowfall received in a winter is around 27 inches, but can be more or less depending on the season.