Boulder County (Boulder)
August
Weather in Boulder County, Colorado for August 2027
Your guide to Boulder County weather in August - trends and predictions
In general, the average temperature in Boulder County at the beginning of August is 32.2 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.4 °C by the end of August.
Boulder County experiences moderate rainfall in August, with an average of 9 rainy days and a total precipitation of 44.6 mm.
Is August a good time to visit Boulder County? check out the best time to travel to Boulder County page.
✨ Is August a good time to visit Boulder County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
22
Dry days
9
Rainy days
0
Snow days
29°/16°
Temperatures
19 km/h
Avg max wind
42 %
Avg humidity
Boulder County Weather August
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Temperatures trend during August in Boulder County
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August weather in Boulder County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 32° /15° | 0 mm | 10 | |
| Aug. 2 |  Patchy rain possible | 33° /15° | 0.2 mm | 9 | |
| Aug. 3 | Sunny | 33° /17° | 0 mm | 9 | |
| Aug. 4 |  Cloudy | 30° /16° | 0 mm | 9 | |
| Aug. 5 | Cloudy | 31° /15° | 0.2 mm | 9 | |
| Aug. 6 | Patchy rain possible | 33° /17° | 0.2 mm | 9 | |
| Aug. 7 | Patchy rain possible | 34° /19° | 1.1 mm | 10 | |
| Aug. 8 | Patchy rain possible | 29° /18° | 0.4 mm | 8 | |
| Aug. 9 |  Light rain | 27° /16° | 2.5 mm | 8 | |
| Aug. 10 |  Partly cloudy | 27° /15° | 0.8 mm | 7 | |
| Aug. 11 |  Overcast | 28° /16° | 0.2 mm | 8 | |
| Aug. 12 | Patchy rain possible | 29° /16° | 2.4 mm | 8 | |
| Aug. 13 |  Moderate or heavy rain shower | 28° /14° | 5.7 mm | 7 | |
| Aug. 14 | Patchy rain possible | 29° /16° | 1.7 mm | 8 | |
| Aug. 15 | Patchy rain possible | 28° /15° | 1.5 mm | 8 | |
| Aug. 16 | Sunny | 30° /15° | 0.7 mm | 9 | |
| Aug. 17 | Overcast | 31° /16° | 0 mm | 9 | |
| Aug. 18 | Overcast | 31° /17° | 0.2 mm | 7 | |
| Aug. 19 | Patchy rain possible | 30° /16° | 0.5 mm | 8 | |
| Aug. 20 | Partly cloudy | 31° /15° | 0 mm | 9.3 | |
| Aug. 21 | Patchy rain possible | 32° /18° | 2.2 mm | 8 | |
| Aug. 22 | Light rain | 28° /17° | 4.5 mm | 7 | |
| Aug. 23 | Light rain | 27° /15° | 2.9 mm | 4 | |
| Aug. 24 | Light rain | 27° /16° | 3.5 mm | 6 | |
| Aug. 25 | Moderate or heavy rain shower | 25° /15° | 7.3 mm | 7 | |
| Aug. 26 | Patchy rain possible | 26° /14° | 1.2 mm | 7 | |
| Aug. 27 | Cloudy | 28° /13° | 0.3 mm | 7 | |
| Aug. 28 | Patchy rain possible | 28° /14° | 1.6 mm | 6 | |
| Aug. 29 | Overcast | 27° /16° | 0 mm | 5 | |
| Aug. 30 | Light rain | 26° /13° | 2.6 mm | 5 | |
| Aug. 31 | Sunny | 26° /14° | 0.3 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Boulder 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 Boulder County forecast closer to your planned date for the most up-to-date weather information.
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Boulder County in August - FAQ
What are the expected maximum and minimum temperatures in Boulder County during August?
During August, expect a variety of temperatures with highs around 29° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Boulder County during August?
In August, Boulder County can expect light to moderate rainfall, totaling 44.6 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Boulder County during August?
The average wind speed in Boulder County during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Boulder County
Explore the daily rainfall trends and prepare for Boulder Countys August weather 💧
Typically, Boulder County has 9 rainy days in August with a total of 44.6 mm of rainfall.
UV exposure in Boulder County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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