Weather in Des Moines, Iowa for May 2026
Until now, May 2026 in Des Moines has been nearly identical to the historical average, with a temperature of 20.7 °F (showing only a slight deviation of -0.5 °F).
The forecast for the upcoming days in Des Moines predicts a temperature of 23.8 °F, which is slightly above the historical average.
In general, the average temperature in Des Moines at the beginning of May is 18.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 27.3 °F by the end of May.
The climate of Des Moines in May is notably wet, with an average of 12 rainy days, and a total of 162.4 mm of precipitation.
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Des Moines Weather May
Temperatures trend during May in Des Moines
May weather in Des Moines day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Light rain shower | 17° /8° | 6.4 mm | 6 | |
| May 2 |  Moderate or heavy rain with thunder | 16° /7° | 12.4 mm | 5 | |
| May 3 |  Sunny | 20° /6° | 0.2 mm | 6 | |
| May 4 |  Heavy rain | 20° /8° | 6 mm | 6 | |
| May 5 |  Overcast | 18° /7° | 0.6 mm | 6 | |
| May 6 | Patchy rain possible | 19° /6° | 5.9 mm | 5 | |
| May 7 |  Fog | 21° /9° | 11.2 mm | 6 | |
| May 8 | Patchy rain possible | 21° /10° | 0.6 mm | 6 | |
| May 9 | Sunny | 20° /8° | 0.5 mm | 6 | |
| May 10 | Patchy rain possible | 23° /7° | 0.3 mm | 7 | |
| May 11 | Sunny | 24° /9° | 0 mm | 7 | |
| May 12 | Patchy rain possible | 24° /12° | 0.8 mm | 7 | |
| May 13 | Light rain shower | 22° /12° | 8 mm | 7 | |
| May 14 | Patchy rain possible | 24° /11° | 0 mm | 7 | |
| May 15 | Patchy rain possible | 26° /13° | 0.7 mm | 5 | |
| May 16 | Light rain shower | 24° /13° | 8.7 mm | 5 | |
| May 17 | Overcast | 23° /13° | 4.9 mm | 5 | |
| May 18 |  Moderate rain | 27° /18° | 17.8 mm | 7.8 | |
| May 19 | Patchy rain possible | 17° /9° | 1 mm | 7.1 | |
| May 20 | Sunny | 16° /5° | 0 mm | 8.3 | |
| May 21 | Patchy rain possible | 18° /7° | 2.1 mm | 0.3 | |
| May 22 | Patchy rain possible | 16° /11° | 2.5 mm | 3 | |
| May 23 | Patchy rain possible | 22° /12° | 0.1 mm | 4 | |
| May 24 | Sunny | 26° /15° | 0 mm | 6 | |
| May 25 | Sunny | 28° /17° | 0 mm | 6 | |
| May 26 | Sunny | 29° /17° | 0 mm | 6 | |
| May 27 | Sunny | 29° /17° | 0.1 mm | 6 | |
| May 28 | Patchy rain possible | 27° /18° | 0.6 mm | 5 | |
| May 29 | Patchy rain possible | 21° /18° | 1.7 mm | 4 | |
| May 30 | Patchy rain possible | 27° /18° | 0.5 mm | 5 | |
| May 31 | Patchy rain possible | 30° /20° | 3.1 mm | 5 | |
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Des Moines in May - FAQ
What are the expected maximum and minimum temperatures in Des Moines during May?
How much rainfall should be expected in Des Moines during May?
What are the typical wind conditions in Des Moines during May?
May rainfall patterns in Des Moines
UV exposure in Des Moines during May
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Where is Des Moines?Get accurate weather forecasts for Des Moines, located at latitude 41.601 and longitude -93.609. Stay updated with localized weather information tailored for Des Moines.