Collin County (Plano)
August
Weather in Collin County, Texas for August 2026
Your guide to Collin County weather in August - trends and predictions
In general, the average temperature in Collin County at the beginning of August is 39 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 36.1 °F by the end of August.
With an average of 5 rainy days, Collin County experiences minimal rainfall in August.
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Temperatures
Rain 🌧️
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26
Dry days
5
Rainy days
0
Snow days
39°/28°
Temperatures
22 km/h
Avg max wind
37 %
Avg humidity
Collin County Weather August
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Temperatures trend during August in Collin County
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August weather in Collin County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 39° /27° | 0 mm | 9 | |
| Aug. 2 |  Partly cloudy | 39° /27° | 0 mm | 9 | |
| Aug. 3 | Sunny | 38° /27° | 0.4 mm | 9 | |
| Aug. 4 | Sunny | 38° /26° | 1.4 mm | 9 | |
| Aug. 5 | Sunny | 39° /27° | 0 mm | 9 | |
| Aug. 6 | Sunny | 40° /27° | 0 mm | 10 | |
| Aug. 7 | Sunny | 40° /28° | 0 mm | 9 | |
| Aug. 8 | Sunny | 39° /27° | 1.5 mm | 9 | |
| Aug. 9 |  Cloudy | 38° /26° | 2 mm | 8 | |
| Aug. 10 | Sunny | 38° /27° | 0.8 mm | 9 | |
| Aug. 11 | Partly cloudy | 38° /26° | 1.4 mm | 9 | |
| Aug. 12 | Sunny | 39° /27° | 0 mm | 9 | |
| Aug. 13 | Sunny | 38° /27° | 9.4 mm | 9 | |
| Aug. 14 |  Patchy rain possible | 38° /27° | 1.3 mm | 8 | |
| Aug. 15 | Partly cloudy | 37° /26° | 0 mm | 9 | |
| Aug. 16 | Sunny | 38° /25° | 0.1 mm | 9 | |
| Aug. 17 | Partly cloudy | 40° /27° | 0.5 mm | 9 | |
| Aug. 18 | Sunny | 41° /29° | 0 mm | 9 | |
| Aug. 19 | Sunny | 41° /30° | 0.1 mm | 9 | |
| Aug. 20 | Sunny | 41° /28° | 1.9 mm | 9 | |
| Aug. 21 | Partly cloudy | 38° /26° | 0 mm | 9 | |
| Aug. 22 | Partly cloudy | 37° /27° | 0 mm | 8 | |
| Aug. 23 | Partly cloudy | 38° /27° | 0.1 mm | 9 | |
| Aug. 24 | Sunny | 38° /27° | 1.1 mm | 9 | |
| Aug. 25 | Partly cloudy | 39° /28° | 0 mm | 9 | |
| Aug. 26 | Sunny | 37° /27° | 0 mm | 8 | |
| Aug. 27 | Partly cloudy | 39° /26° | 0.1 mm | 9 | |
| Aug. 28 | Cloudy | 37° /25° | 1.6 mm | 8 | |
| Aug. 29 |  Overcast | 34° /24° | 1.9 mm | 7 | |
| Aug. 30 | Cloudy | 33° /22° | 0 mm | 7 | |
| Aug. 31 | Overcast | 34° /23° | 18.5 mm | 7 | |
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Important Notice
Our weather forecast for Collin 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 Collin County forecast closer to your planned date for the most up-to-date weather information.
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Collin County in August - FAQ
What are the expected maximum and minimum temperatures in Collin County during August?
With daytime temperatures soaring above 39° and not dropping much below 28° at night, August in Collin County is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Collin County during August?
Expect minimal rainfall in Collin County during August, with a total of 12.9 mm over approximately 5 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Collin County during August?
The average wind speed in Collin County during August is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Collin County
Explore the daily rainfall trends and prepare for Collin Countys August weather 💧
UV exposure in Collin County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Collin County?Get accurate weather forecasts for Collin County, located at latitude 33.02 and longitude -96.699. Stay updated with localized weather information tailored for Collin County.
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