Polk County (Des Moines)
August
Weather in Polk County for August 2025
Your guide to Polk County weather in August - trends and predictions
In general, the average temperature in Polk County 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 Polk County in August is notably wet, with an average of 11 rainy days.
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20
Dry days
11
Rainy days
0
Snow days
32°/18°
Temperatures
20 km/h
Avg max wind
62 %
Avg humidity
Polk County in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2  28° | 3 30° | ||||
| 4 31° | 5  31° | 6 26° | 7 26° | 8 25° | 9 23° | 10 28° |
| 11 30° | 12  25° | 13 27° | 14 25° | 15 28° | 16 29° | 17  26° |
| 18 27° | 19 32° | 20 30° | 21  31° | 22 34° | 23 34° | 24 35° |
| 25  40° | 26 39° | 27 36° | 28 33° | 29 35° | 30 31° | 31 32° |
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Temperatures trend during August in Polk County
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 | 31° /19° | 0.8 mm | 7 | |
| Aug. 2 | Moderate or heavy rain shower | 28° /19° | 9.2 mm | 7 | |
| Aug. 3 | Patchy rain possible | 30° /20° | 0.1 mm | 7 | |
| Aug. 4 | Moderate or heavy rain shower | 31° /20° | 3.2 mm | 7 | |
| Aug. 5 | Overcast | 31° /20° | 0.5 mm | 7 | |
| Aug. 6 | Moderate or heavy rain shower | 26° /17° | 11.4 mm | 6 | |
| Aug. 7 | Patchy rain possible | 26° /14° | 1.6 mm | 6 | |
| Aug. 8 | Patchy rain possible | 25° /15° | 0.8 mm | 6 | |
| Aug. 9 | Moderate or heavy rain shower | 23° /13° | 3.7 mm | 6 | |
| Aug. 10 | Overcast | 28° /13° | 0 mm | 7 | |
| Aug. 11 | Overcast | 30° /17° | 4 mm | 7 | |
| Aug. 12 | Sunny | 25° /17° | 5.2 mm | 6 | |
| Aug. 13 | Patchy rain possible | 27° /15° | 7.6 mm | 6 | |
| Aug. 14 | Patchy rain possible | 25° /15° | 1.8 mm | 6 | |
| Aug. 15 | Overcast | 28° /15° | 3.6 mm | 7 | |
| Aug. 16 | Sunny | 29° /15° | 0 mm | 7 | |
| Aug. 17 | Partly cloudy | 26° /16° | 0 mm | 6 | |
| Aug. 18 | Partly cloudy | 27° /14° | 0 mm | 7 | |
| Aug. 19 | Sunny | 32° /16° | 0 mm | 8 | |
| Aug. 20 | Patchy rain possible | 30° /19° | 0.1 mm | 7 | |
| Aug. 21 | Cloudy | 31° /18° | 0 mm | 7 | |
| Aug. 22 | Overcast | 34° /18° | 0 mm | 8 | |
| Aug. 23 | Cloudy | 34° /20° | 0.2 mm | 8 | |
| Aug. 24 | Partly cloudy | 35° /22° | 1.5 mm | 8 | |
| Aug. 25 | Mist | 40° /22° | 0.5 mm | 9 | |
| Aug. 26 | Fog | 39° /23° | 0 mm | 9 | |
| Aug. 27 | Partly cloudy | 36° /18° | 1.5 mm | 8 | |
| Aug. 28 | Mist | 33° /17° | 1.6 mm | 7 | |
| Aug. 29 | Sunny | 35° /18° | 2.3 mm | 9 | |
| Aug. 30 | Sunny | 31° /15° | 3.1 mm | 7 | |
| Aug. 31 | Sunny | 32° /12° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Polk County 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 Polk County forecast closer to your planned date for the most up-to-date weather information.
Polk County in August - FAQ
What are the expected maximum and minimum temperatures in Polk County 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 Polk County during August?
Moderate rainfall is anticipated in Polk County 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 Polk County during August?
The average wind speed in Polk County during August is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Polk County
Explore the daily rainfall trends and prepare for Polk Countys August weather 💧
UV exposure in Polk County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Polk County?Get accurate weather forecasts for Polk County, located at latitude 41.601 and longitude -93.609. Stay updated with localized weather information tailored for Polk County.
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