Jefferson County (Fairfield)
August
Weather in Jefferson County, Iowa for August 2026
Your guide to Jefferson County weather in August - trends and predictions
In general, the average temperature in Jefferson County at the beginning of August is 25.7 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 25.3 °F by the end of August.
Jefferson County experiences moderate rainfall in August, with an average of 6 rainy days and a total precipitation of 324.7 mm.
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Temperatures
Rain 🌧️
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25
Dry days
6
Rainy days
0
Snow days
28°/17°
Temperatures
17 km/h
Avg max wind
78 %
Avg humidity
Jefferson County Weather August
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Temperatures trend during August in Jefferson County
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August weather in Jefferson County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Mist | 24° /12° | 0 mm | 5 | |
| Aug. 2 | Mist | 24° /14° | 0 mm | 5 | |
| Aug. 3 |  Overcast | 23° /13° | 0 mm | 5 | |
| Aug. 4 | Mist | 27° /14° | 0 mm | 6 | |
| Aug. 5 | Fog | 26° /17° | 0 mm | 6 | |
| Aug. 6 | Mist | 29° /20° | 0 mm | 6 | |
| Aug. 7 |  Light rain shower | 27° /20° | 42.3 mm | 6 | |
| Aug. 8 |  Thundery outbreaks possible | 34° /24° | 0 mm | 7 | |
| Aug. 9 |  Partly cloudy | 35° /23° | 0 mm | 9 | |
| Aug. 10 |  Moderate or heavy rain shower | 28° /23° | 136.6 mm | 6 | |
| Aug. 11 |  Heavy rain | 26° /20° | 132.7 mm | 6 | |
| Aug. 12 | Fog | 27° /21° | 0 mm | 6 | |
| Aug. 13 | Mist | 28° /16° | 0 mm | 6 | |
| Aug. 14 | Fog | 29° /16° | 0 mm | 6 | |
| Aug. 15 | Mist | 31° /17° | 0 mm | 7 | |
| Aug. 16 | Thundery outbreaks possible | 35° /23° | 0 mm | 8 | |
| Aug. 17 | Fog | 35° /22° | 0 mm | 8 | |
| Aug. 18 | Light rain shower | 34° /25° | 2.4 mm | 7 | |
| Aug. 19 | Light rain shower | 27° /22° | 10.4 mm | 6 | |
| Aug. 20 | Fog | 28° /18° | 0 mm | 6 | |
| Aug. 21 | Fog | 26° /16° | 0 mm | 6 | |
| Aug. 22 | Fog | 26° /16° | 0 mm | 6 | |
| Aug. 23 | Fog | 26° /13° | 0 mm | 6 | |
| Aug. 24 | Mist | 22° /9° | 0 mm | 5 | |
| Aug. 25 |  Cloudy | 21° /7° | 0 mm | 5 | |
| Aug. 26 | Fog | 24° /8° | 0 mm | 5 | |
| Aug. 27 | Cloudy | 25° /13° | 0 mm | 6 | |
| Aug. 28 | Fog | 27° /13° | 0 mm | 6 | |
| Aug. 29 | Fog | 28° /12° | 0 mm | 6 | |
| Aug. 30 | Fog | 27° /16° | 0.3 mm | 6 | |
| Aug. 31 | Overcast | 25° /16° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Jefferson 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 Jefferson County forecast closer to your planned date for the most up-to-date weather information.
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Jefferson County in August - FAQ
What are the expected maximum and minimum temperatures in Jefferson County during August?
During August, expect a variety of temperatures with highs around 28° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jefferson County during August?
Significant rainfall exceeding 324.7 mm is expected in Jefferson County during August, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jefferson County during August?
The average wind speed in Jefferson County during August is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Jefferson County
Explore the daily rainfall trends and prepare for Jefferson Countys August weather 💧
UV exposure in Jefferson County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Jefferson County?Get accurate weather forecasts for Jefferson County, located at latitude 41.009 and longitude -91.963. Stay updated with localized weather information tailored for Jefferson County.
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