Washington County (Zion National Park)
August
Weather in Washington County, Utah for August 2025
Your guide to Washington County weather in August - trends and predictions
In general, the average temperature in Washington County at the beginning of August is 27.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.9 °F by the end of August.
The climate of Washington County in August is notably wet, with an average of 15 rainy days, and a total of 102.2 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
24°/15°
Temperatures
19 km/h
Avg max wind
38 %
Avg humidity
Washington County Weather August
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Temperatures trend during August in Washington County
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August weather in Washington County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Cloudy | 29° /16° | 0 mm | 6 | |
| Aug. 2 |  Moderate rain at times | 26° /18° | 0.8 mm | 6 | |
| Aug. 3 |  Sunny | 27° /17° | 1.2 mm | 7 | |
| Aug. 4 |  Overcast | 28° /17° | 0 mm | 6 | |
| Aug. 5 |  Patchy rain possible | 29° /18° | 0.2 mm | 6 | |
| Aug. 6 | Moderate or heavy rain shower | 29° /19° | 3 mm | 6 | |
| Aug. 7 | Moderate rain at times | 27° /19° | 0.8 mm | 6 | |
| Aug. 8 | Moderate or heavy rain shower | 26° /17° | 2.8 mm | 6 | |
| Aug. 9 | Moderate or heavy rain shower | 24° /15° | 4 mm | 5 | |
| Aug. 10 | Cloudy | 25° /15° | 0 mm | 6 | |
| Aug. 11 | Moderate or heavy rain shower | 23° /16° | 7.7 mm | 5 | |
| Aug. 12 | Moderate or heavy rain shower | 21° /13° | 11 mm | 5 | |
| Aug. 13 | Moderate or heavy rain shower | 22° /14° | 6 mm | 5 | |
| Aug. 14 | Sunny | 23° /14° | 0 mm | 6 | |
| Aug. 15 | Sunny | 24° /14° | 0 mm | 6 | |
| Aug. 16 | Sunny | 25° /14° | 0 mm | 7 | |
| Aug. 17 | Moderate or heavy rain shower | 22° /14° | 11.8 mm | 5 | |
| Aug. 18 | Moderate rain at times | 20° /14° | 2.7 mm | 5 | |
| Aug. 19 |  Heavy rain at times | 23° /14° | 1.2 mm | 5 | |
| Aug. 20 | Sunny | 25° /16° | 0 mm | 7 | |
| Aug. 21 | Sunny | 24° /15° | 0 mm | 6 | |
| Aug. 22 | Moderate or heavy rain shower | 18° /12° | 4.2 mm | 4 | |
| Aug. 23 | Moderate or heavy rain shower | 19° /11° | 43.9 mm | 4 | |
| Aug. 24 | Sunny | 19° /12° | 0.2 mm | 5 | |
| Aug. 25 | Sunny | 18° /11° | 0.5 mm | 5 | |
| Aug. 26 | Sunny | 20° /8° | 0 mm | 6 | |
| Aug. 27 | Sunny | 22° /11° | 0 mm | 6 | |
| Aug. 28 | Sunny | 22° /13° | 0 mm | 6 | |
| Aug. 29 | Sunny | 23° /14° | 0 mm | 6 | |
| Aug. 30 | Patchy rain possible | 24° /14° | 0.1 mm | 5 | |
| Aug. 31 | Patchy rain possible | 24° /19° | 0.1 mm | 5 | |
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Important Notice
Our weather forecast for Washington 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 Washington County forecast closer to your planned date for the most up-to-date weather information.
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Washington County in August - FAQ
What are the expected maximum and minimum temperatures in Washington County during August?
During August, expect a variety of temperatures with highs around 24° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Washington County during August?
Significant rainfall exceeding 102.2 mm is expected in Washington County during August, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Washington County during August?
The average wind speed in Washington County during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Washington County
Explore the daily rainfall trends and prepare for Washington Countys August weather 💧
UV exposure in Washington County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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