Summit County (Breckenridge)
August
Weather in Summit County, Colorado for August 2025
Your guide to Summit County weather in August - trends and predictions
Meteorological - Air Quality Alert - See hour by hour.
The forecast for the next days in Summit County predicts temperatures to be around 21 °F, close to the historical average.
In general, the average temperature in Summit County at the beginning of August is 20.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °F by the end of August.
The climate of Summit County in August is notably wet, with an average of 15 rainy days, and a total of 66.5 mm of precipitation.
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Temperatures
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16
Dry days
15
Rainy days
0
Snow days
18°/6°
Temperatures
16 km/h
Avg max wind
57 %
Avg humidity
Summit County Weather August
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Temperatures trend during August in Summit County
See the weather trend as well as the moving average line
August weather in Summit County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 19° /7° | 0 mm | 1.9 | |
| Aug. 2 | Sunny | 19° /8° | 0 mm | 2 | |
| Aug. 3 | Sunny | 19° /8° | 0 mm | 3.1 | |
| Aug. 4 | Sunny | 22° /6° | 0 mm | 2.5 | |
| Aug. 5 |  Partly cloudy | 22° /7° | 0 mm | 0 | |
| Aug. 6 |  Patchy rain possible | 22° /8° | 0.3 mm | 3 | |
| Aug. 7 | Sunny | 22° /7° | 0 mm | 4 | |
| Aug. 8 | Sunny | 21° /8° | 0 mm | 4 | |
| Aug. 9 | Sunny | 20° /6° | 0 mm | 4 | |
| Aug. 10 | Sunny | 23° /7° | 0 mm | 4 | |
| Aug. 11 | Patchy rain possible | 23° /8° | 1.4 mm | 3 | |
| Aug. 12 | Patchy rain possible | 22° /7° | 3.2 mm | 3 | |
| Aug. 13 | Patchy rain possible | 19° /7° | 0.8 mm | 3 | |
| Aug. 14 | Patchy rain possible | 20° /6° | 0.9 mm | 3 | |
| Aug. 15 | Partly cloudy | 18° /3° | 0.1 mm | 5 | |
| Aug. 16 | Partly cloudy | 20° /6° | 0 mm | 5 | |
| Aug. 17 | Sunny | 21° /6° | 0.1 mm | 6 | |
| Aug. 18 |  Patchy light rain | 19° /6° | 3.3 mm | 4 | |
| Aug. 19 |  Patchy light rain with thunder | 17° /6° | 2.2 mm | 4 | |
| Aug. 20 | Partly cloudy | 20° /6° | 0.1 mm | 6 | |
| Aug. 21 | Patchy light drizzle | 18° /7° | 1.4 mm | 4 | |
| Aug. 22 | Patchy light rain with thunder | 13° /6° | 7.8 mm | 3 | |
| Aug. 23 | Patchy light rain with thunder | 15° /6° | 2 mm | 4 | |
| Aug. 24 | Patchy light rain with thunder | 16° /7° | 4.2 mm | 4 | |
| Aug. 25 | Patchy light rain | 15° /5° | 1.6 mm | 4 | |
| Aug. 26 | Partly cloudy | 16° /4° | 0 mm | 5 | |
| Aug. 27 | Patchy light drizzle | 19° /4° | 0.3 mm | 4 | |
| Aug. 28 | Patchy rain possible | 17° /5° | 0.3 mm | 4 | |
| Aug. 29 | Patchy rain possible | 18° /6° | 0 mm | 4 | |
| Aug. 30 | Sunny | 18° /3° | 0 mm | 5 | |
| Aug. 31 | Patchy rain possible | 19° /4° | 0.3 mm | 4 | |
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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.
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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 18° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Summit County during August?
Moderate rainfall is anticipated in Summit County during August, with a total of 66.5 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Summit County during August?
The average wind speed in Summit County during August is 16 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 39.482 and longitude -106.038. Stay updated with localized weather information tailored for Summit County.
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