Summit County (Park City)
August
Weather in Summit County for August 2025
Your guide to Summit County weather in August - trends and predictions
In general, the average temperature in Summit County at the beginning of August is 31.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.7 °F by the end of August.
Summit County experiences moderate rainfall in August, with an average of 10 rainy days and a total precipitation of 28.5 mm.
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Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
27°/11°
Temperatures
22 km/h
Avg max wind
38 %
Avg humidity
Summit County Weather August
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  31° | 2 34° | |||||
| 3  31° | 4  30° | 5 32° | 6  33° | 7 31° | 8 30° | 9 29° |
| 10 29° | 11  28° | 12 28° | 13 25° | 14 24° | 15 26° | 16 27° |
| 17 25° | 18 27° | 19 26° | 20 28° | 21 27° | 22 26° | 23  21° |
| 24 24° | 25 19° | 26 20° | 27 25° | 28 26° | 29 24° | 30 25° |
| 31 27° |
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Temperatures trend during August in Summit 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 | Sunny | 31° /11° | 0 mm | 8 | |
| Aug. 2 | Sunny | 34° /14° | 0 mm | 8 | |
| Aug. 3 | Patchy light drizzle | 31° /15° | 1 mm | 7 | |
| Aug. 4 | Patchy rain possible | 30° /14° | 0.1 mm | 7 | |
| Aug. 5 | Patchy rain possible | 32° /14° | 0.3 mm | 7 | |
| Aug. 6 | Partly cloudy | 33° /16° | 0 mm | 8 | |
| Aug. 7 | Sunny | 31° /17° | 0 mm | 8 | |
| Aug. 8 | Partly cloudy | 30° /13° | 0 mm | 8 | |
| Aug. 9 | Partly cloudy | 29° /15° | 0.1 mm | 7 | |
| Aug. 10 | Patchy rain possible | 29° /13° | 0 mm | 6 | |
| Aug. 11 | Thundery outbreaks possible | 28° /12° | 0.6 mm | 6 | |
| Aug. 12 | Thundery outbreaks possible | 28° /11° | 3.4 mm | 6 | |
| Aug. 13 | Thundery outbreaks possible | 25° /11° | 2 mm | 6 | |
| Aug. 14 | Thundery outbreaks possible | 24° /10° | 0.5 mm | 5 | |
| Aug. 15 | Sunny | 26° /10° | 0 mm | 7 | |
| Aug. 16 | Sunny | 27° /11° | 0 mm | 7 | |
| Aug. 17 | Patchy light rain | 25° /11° | 7.5 mm | 6 | |
| Aug. 18 | Patchy rain possible | 27° /10° | 1.8 mm | 6 | |
| Aug. 19 | Patchy rain possible | 26° /11° | 3.7 mm | 6 | |
| Aug. 20 | Sunny | 28° /13° | 0.4 mm | 7 | |
| Aug. 21 | Sunny | 27° /12° | 0 mm | 7 | |
| Aug. 22 | Thundery outbreaks possible | 26° /11° | 0 mm | 6 | |
| Aug. 23 | Moderate or heavy rain with thunder | 21° /10° | 7.1 mm | 5 | |
| Aug. 24 | Partly cloudy | 24° /9° | 0 mm | 6 | |
| Aug. 25 | Partly cloudy | 19° /5° | 0 mm | 5 | |
| Aug. 26 | Sunny | 20° /3° | 0 mm | 6 | |
| Aug. 27 | Sunny | 25° /6° | 0 mm | 7 | |
| Aug. 28 | Sunny | 26° /10° | 0 mm | 7 | |
| Aug. 29 | Sunny | 24° /9° | 0 mm | 6 | |
| Aug. 30 | Sunny | 25° /7° | 0 mm | 7 | |
| Aug. 31 | Sunny | 27° /9° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Summit 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 Summit County forecast closer to your planned date for the most up-to-date weather information.
Summit County in August - FAQ
What are the expected maximum and minimum temperatures in Summit County during August?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Summit County during August?
In August, Summit County can expect light to moderate rainfall, totaling 28.5 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Summit County during August?
The average wind speed in Summit County during August is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Summit County
Explore the daily rainfall trends and prepare for Summit Countys August weather 💧
UV exposure in Summit County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Summit County?Get accurate weather forecasts for Summit County, located at latitude 40.646 and longitude -111.498. Stay updated with localized weather information tailored for Summit County.
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