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Weather in Des Moines for August 2025

Your guide to Des Moines weather in August - trends and predictions
  • In general, the average temperature in Des Moines at the beginning of August is 29 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 35.1 °F by the end of August.

  • The climate of Des Moines in August is notably wet, with an average of 11 rainy days.

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Average dry days
20
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/18°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
62 %
Avg humidity

Des Moines in August average weather

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Temperatures trend during August in Des Moines

See the weather trend as well as the moving average line

August weather day by day

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Date Weather Temperatures Rain UV More
Aug. 1 Patchy rain possible
Patchy rain possible
31° /19° 0.8 mm 7
Aug. 2 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /19° 9.2 mm 7
Aug. 3 Patchy rain possible
Patchy rain possible
30° /20° 0.1 mm 7
Aug. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
31° /20° 3.2 mm 7
Aug. 5 Overcast
Overcast
31° /20° 0.5 mm 7
Aug. 6 Moderate or heavy rain shower
Moderate or heavy rain shower
26° /17° 11.4 mm 6
Aug. 7 Patchy rain possible
Patchy rain possible
26° /14° 1.6 mm 6
Aug. 8 Patchy rain possible
Patchy rain possible
25° /15° 0.8 mm 6
Aug. 9 Moderate or heavy rain shower
Moderate or heavy rain shower
23° /13° 3.7 mm 6
Aug. 10 Overcast
Overcast
28° /13° 0 mm 7
Aug. 11 Overcast
Overcast
30° /17° 4 mm 7
Aug. 12 Sunny
Sunny
25° /17° 5.2 mm 6
Aug. 13 Patchy rain possible
Patchy rain possible
27° /15° 7.6 mm 6
Aug. 14 Patchy rain possible
Patchy rain possible
25° /15° 1.8 mm 6
Aug. 15 Overcast
Overcast
28° /15° 3.6 mm 7
Aug. 16 Sunny
Sunny
29° /15° 0 mm 7
Aug. 17 Partly cloudy
Partly cloudy
26° /16° 0 mm 6
Aug. 18 Partly cloudy
Partly cloudy
27° /14° 0 mm 7
Aug. 19 Sunny
Sunny
32° /16° 0 mm 8
Aug. 20 Patchy rain possible
Patchy rain possible
30° /19° 0.1 mm 7
Aug. 21 Cloudy
Cloudy
31° /18° 0 mm 7
Aug. 22 Overcast
Overcast
34° /18° 0 mm 8
Aug. 23 Cloudy
Cloudy
34° /20° 0.2 mm 8
Aug. 24 Partly cloudy
Partly cloudy
35° /22° 1.5 mm 8
Aug. 25 Mist
Mist
40° /22° 0.5 mm 9
Aug. 26 Fog
Fog
39° /23° 0 mm 9
Aug. 27 Partly cloudy
Partly cloudy
36° /18° 1.5 mm 8
Aug. 28 Mist
Mist
33° /17° 1.6 mm 7
Aug. 29 Sunny
Sunny
35° /18° 2.3 mm 9
Aug. 30 Sunny
Sunny
31° /15° 3.1 mm 7
Aug. 31 Sunny
Sunny
32° /12° 0 mm 8
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Important Notice
Our weather forecast for Des Moines in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Des Moines forecast closer to your planned date for the most up-to-date weather information.

Des Moines in August - FAQ

What are the expected maximum and minimum temperatures in Des Moines during August?
Expect warm days with temperatures around 32°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Des Moines during August?
Moderate rainfall is anticipated in Des Moines during August, with a total of 83.4 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Des Moines during August?
The average wind speed in Des Moines during August is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Des Moines

Explore the daily rainfall trends and prepare for Des Moiness August weather 💧

UV exposure in Des Moines during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates 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.

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