Iowa weather in July 2025

Expect daytime maximum temperatures of 30°C in Iowa in July and high heat and humidity based on long-term weather averages. There are 11 hours of sunshine per day on average with 10 days with some rainfall and typically 100 mm of rainfall in the month.

  • 30°C maximum daytime temperature in July in Iowa (Des Moines)30
    30°C max day temperature
  • 11 hours of sunshine per day
  • 10 days with some rainfall in July in Iowa (Des Moines)10
    10 days with some rainfall
  • 19°C minimum night-time temperature in July in Iowa (Des Moines)19
    19°C min night temperature
  • 15 hours of daylight per day in July in Iowa (Des Moines)15
    15 hours of daylight per day
  • High heat & humidity in July in Iowa (Des Moines)H
    High heat & humidity
  • 100 mm monthly rainfall in July in Iowa (Des Moines)100
    100 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Iowa (Des Moines)9
    9 (Very High) UV index

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The July weather guide for Iowa (Des Moines) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Iowa destinations

Below are average maximum temperatures at popular countries, regions and places in Iowa in July. Select a holiday destination to see more weather parameters.

All Iowa destinations

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

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How hot is it in Iowa in July?

Daytime temperatures usually reach 30°C in Des Moines, Iowa in July with high heat and humidity, falling to 19°C at night.

How sunny is it in Iowa in July?

There are normally 11 hours of bright sunshine each day in Des Moines, Iowa in July - that's 73% of daylight hours.

Does it rain in Iowa in July?

There are usually 10 days with some rain in Des Moines, Iowa in July and the average monthly rainfall is 100mm.

Iowa July sunrise & sunset times

Browse the sunrise and sunset times for Iowa in July 2025. Select a month to view Iowa sunrise and sunset times for the next 12 months. The Iowa sunrise and sunset times shown below are for Des Moines.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:44 19:52
Wednesday, 16th July 2025 04:55 19:46
Thursday, 31st July 2025 05:08 19:33

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