Iowa climate guide: monthly weather averages

The Iowa climate guides are perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine. The climate guide shown below is for Des Moines.

Temperature in Iowa (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
Min temperature (night-time)

Sunshine & Daylight in Iowa

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight

Rainfall in Iowa

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
Average monthly rainfall (mm)

More climate for Iowa

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
Heat & Humidity

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Iowa

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

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Iowa climate by month

Check Iowa climate for a particular month by selecting from the list below. Monthly climate guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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