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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 -1°C and rise to 29°C.

Annually, about 957 mm of rain falls. This gives a good overview of how much rain to expect in Iowa. Additionally, about 82 cm of snow falls each year.

The climate of Iowa
  • Average yearly temperature: 16°C
  • Highest temperature: 29°C in July
  • Lowest temperature: -1°C in January
  • Precipitation: 957 mm per year, averaging 80 mm per month
  • Driest months: 17 mm in February, 19 mm in January and 38 mm in November
  • Wettest months: 166 mm in August, 135 mm in October and 131 mm in June
  • Snowfall: 82 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) -1 0 8 16 22 28 29 28 26 17 8 3
Nighttime temperature (°C) -10 -9 -1 4 12 17 18 18 14 6 -2 -5
Precipitation (mm) 19 17 62 67 79 131 80 166 125 135 38 38
Snowfall (cm) 23 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

Temperature per month in Iowa

This graph shows the average high temperatures in degrees Celsius for each month in Iowa

Temperature per month in Iowa

Precipitation per month in Iowa

This graph shows the average monthly precipitation in millimeters in Iowa.

Precipitation per month in Iowa

Snowfall per month in Iowa

This graph shows the average snowfall in centimeters per month in Iowa.

Snowfall per month in Iowa

UV index per month in Iowa

This graph shows the average UV index per month in Iowa.

UV index per month in Iowa

Yearly temperature in Iowa

This graph shows the average yearly temperature in Iowa, measured in degrees Celsius.

Yearly temperature in Iowa

Yearly total precipitation in Iowa

This graph shows the average yearly precipitation in millimeters in Iowa.

Precipitation per year in Iowa

Yearly snowfall in Iowa

This graph shows the average yearly snowfall in Iowa, measured in centimeters.

Snowfall per year in Iowa

Weather experiences in Iowa

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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.