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Weather in Iowa for August 2025

Your guide to Iowa weather in August - trends and predictions
  • In general, the average temperature in Iowa 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 Iowa 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

Iowa in August average weather

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Temperatures trend during August in Iowa

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 Iowa 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 Iowa forecast closer to your planned date for the most up-to-date weather information.

Iowa in August - FAQ

What are the expected maximum and minimum temperatures in Iowa 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 Iowa during August?
Moderate rainfall is anticipated in Iowa 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 Iowa during August?
The average wind speed in Iowa during August is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Iowa

Explore the daily rainfall trends and prepare for Iowas August weather 💧

UV exposure in Iowa during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates Where is Iowa?

Get accurate weather forecasts for Iowa, located at latitude 41.601 and longitude -93.609. Stay updated with localized weather information tailored for Iowa.

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