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Weather in Collin County for August 2025

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 40.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 37.6 °F by the end of August.

  • With an average of 2 rainy days, Collin County experiences minimal rainfall in August, ensuring that most days remain pleasantly dry.

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Average dry days
29
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
41°/28°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
33 %
Avg humidity

Collin County in August average weather

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Temperatures trend during August in Collin 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
Sunny
40° /27° 0 mm 10
Aug. 2 Partly cloudy
Partly cloudy
41° /29° 0 mm 10
Aug. 3 Sunny
Sunny
41° /28° 0.6 mm 10
Aug. 4 Sunny
Sunny
40° /27° 0 mm 10
Aug. 5 Sunny
Sunny
40° /28° 0 mm 10
Aug. 6 Sunny
Sunny
41° /28° 0 mm 10
Aug. 7 Overcast
Overcast
40° /29° 0 mm 9
Aug. 8 Moderate rain at times
Moderate rain at times
40° /28° 2.2 mm 9
Aug. 9 Cloudy
Cloudy
39° /26° 3 mm 9
Aug. 10 Sunny
Sunny
39° /27° 1.3 mm 9
Aug. 11 Partly cloudy
Partly cloudy
39° /27° 2.1 mm 9
Aug. 12 Sunny
Sunny
40° /27° 0 mm 10
Aug. 13 Sunny
Sunny
40° /27° 0 mm 10
Aug. 14 Patchy rain possible
Patchy rain possible
39° /28° 0.1 mm 9
Aug. 15 Partly cloudy
Partly cloudy
37° /26° 0 mm 9
Aug. 16 Sunny
Sunny
38° /25° 0.1 mm 9
Aug. 17 Partly cloudy
Partly cloudy
41° /26° 0.7 mm 10
Aug. 18 Sunny
Sunny
43° /29° 0 mm 10
Aug. 19 Sunny
Sunny
42° /30° 0.1 mm 10
Aug. 20 Sunny
Sunny
42° /29° 0.1 mm 10
Aug. 21 Partly cloudy
Partly cloudy
40° /27° 0 mm 10
Aug. 22 Partly cloudy
Partly cloudy
39° /27° 0 mm 9
Aug. 23 Partly cloudy
Partly cloudy
39° /28° 0.1 mm 9
Aug. 24 Sunny
Sunny
40° /28° 0 mm 10
Aug. 25 Partly cloudy
Partly cloudy
41° /29° 0 mm 9
Aug. 26 Sunny
Sunny
40° /29° 0 mm 9
Aug. 27 Sunny
Sunny
40° /28° 0.2 mm 10
Aug. 28 Cloudy
Cloudy
36° /25° 2.4 mm 8
Aug. 29 Overcast
Overcast
35° /25° 0.1 mm 8
Aug. 30 Cloudy
Cloudy
35° /23° 0 mm 8
Aug. 31 Overcast
Overcast
36° /24° 0 mm 8
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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.

Collin County in August - FAQ

What are the expected maximum and minimum temperatures in Collin County during August?
With daytime temperatures soaring above 41° 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?
Rainfall in Collin County during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
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.
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Location coordinates 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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