Average climate of Iowa
The climate of Iowa has an average yearly temperature of 16°C. Throughout the year, the average monthly temperature can drop to -2°C and rise to 29°C.
Annually, about 1031 mm of rain falls. This gives a good overview of how much rain to expect in Iowa. Additionally, about 87 cm of snow falls each year.
The best time to visit Iowa is July. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit Iowa.
-2 to 29°C
1031 mm
87 cm
Table of contents
- Average yearly temperature: 16°C
- Highest temperature: 29°C in July
- Lowest temperature: -2°C in January
- Precipitation: 1031 mm per year, averaging 86 mm per month
- Driest months: 17 mm in February, 20 mm in January and 38 mm in November
- Wettest months: 166 mm in August, 148 mm in June and 135 mm in May
- Snowfall: 87 cm per year
Climate table Iowa
The climate table for Iowa shows the average temperatures, precipitation, snowfall, and UV index per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daytime temperature (°C) | -2 | 0 | 8 | 16 | 22 | 28 | 29 | 28 | 26 | 17 | 8 | 3 |
| Nighttime temperature (°C) | -10 | -9 | -1 | 4 | 11 | 17 | 18 | 18 | 14 | 6 | -2 | -5 |
| Precipitation (mm) | 20 | 17 | 62 | 67 | 135 | 148 | 80 | 166 | 125 | 135 | 38 | 38 |
| Snowfall (cm) | 28 | 24 | 8,0 | 2,1 | 0 | 0 | 0 | 0 | 0 | 2,5 | 7,9 | 13 |
| UV Index | 2 | 3 | 4 | 4 | 5 | 4 | 6 | 5 | 4 | 3 | 3 | 2 |
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Temperature per month in Iowa
This graph shows the average high temperatures in degrees Celsius for each month in Iowa
Precipitation per month in Iowa
This graph shows the average monthly precipitation in millimeters in Iowa.
Snowfall per month in Iowa
This graph shows the average snowfall in centimeters per month in Iowa.
UV index per month in Iowa
This graph shows the average UV index per month in Iowa.
Yearly temperature in Iowa
This graph shows the average yearly temperature in Iowa, measured in degrees Celsius.
Yearly total precipitation in Iowa
This graph shows the average yearly precipitation in millimeters in Iowa.
Yearly snowfall in Iowa
This graph shows the average yearly snowfall in Iowa, measured in centimeters.
Weather experiences in Iowa
The weather in Iowa is rated 2 out of 5 stars by 1 visitor.
Very cold at that time— This text has been automatically translated into English
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Average weather in Iowa per month
Click on a month below to see in detail how the weather typically is in Iowa and what to expect. Based on the historical weather data of Iowa, you can view the average temperature, precipitation, wind, and UV index for each day of the month.