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Iowa weather in May 2025
Expect 23°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Iowa in May. Check more long-term weather averages for Iowa in May before you book your next holiday to Iowa in 2025/2026.
- 2323°C max day temperature
- 9 hours of sunshine per day
- 1212 days with some rainfall
- 1010°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 9898 mm of monthly rainfall
- 88 (Very High) UV index
More about Iowa
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Recommended for Iowa
The May 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 May. Select a holiday destination to see more weather parameters.
All Iowa destinations
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Iowa in May?
Daytime temperatures usually reach 23°C in Des Moines, Iowa in May, falling to 10°C at night.
How sunny is it in Iowa in May?
There are normally 9 hours of bright sunshine each day in Des Moines, Iowa in May - that's 61% of daylight hours.
Does it rain in Iowa in May?
There are usually 12 days with some rain in Des Moines, Iowa in May and the average monthly rainfall is 98mm.
Iowa May sunrise & sunset times
Browse the sunrise and sunset times for Iowa in May 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 |
---|---|---|
Thursday, 1st May 2025 | 05:11 | 19:13 |
Friday, 16th May 2025 | 04:54 | 19:29 |
Saturday, 31st May 2025 | 04:43 | 19:42 |
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