Weather in Collin County, Texas for July 2026
Heat Advisory - See hour by hour.
Until now, July 2026 in Collin County has been nearly identical to the historical average, with a temperature of 35.8 °C (showing only a slight deviation of -0.2 °C).
The forecast for the next days in Collin County predicts temperatures to be around 41 °C, close to the historical average.
In general, the average temperature in Collin County at the beginning of July is 36.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 42.1 °C by the end of July.
The climate of Collin County in July is notably wet, with an average of 13 rainy days, and a total of 63 mm of precipitation.
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Collin County Weather July
Temperatures trend during July in Collin County
July weather in Collin County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Patchy rain possible | 37° /27° | 0 mm | 9 | |
| Jul. 2 |  Overcast | 37° /25° | 0.3 mm | 9 | |
| Jul. 3 | Patchy rain possible | 36° /26° | 0.1 mm | 9 | |
| Jul. 4 |  Sunny | 38° /26° | 0.5 mm | 10 | |
| Jul. 5 | Sunny | 34° /24° | 4 mm | 9 | |
| Jul. 6 |  Moderate or heavy rain shower | 35° /24° | 2.1 mm | 9 | |
| Jul. 7 |  Partly cloudy | 36° /24° | 0.4 mm | 10 | |
| Jul. 8 | Partly cloudy | 35° /24° | 5.6 mm | 9 | |
| Jul. 9 | Moderate rain at times | 34° /23° | 2.7 mm | 9 | |
| Jul. 10 | Moderate rain at times | 37° /24° | 0.7 mm | 10 | |
| Jul. 11 | Sunny | 37° /25° | 4.2 mm | 10 | |
| Jul. 12 | Sunny | 37° /24° | 8.3 mm | 10 | |
| Jul. 13 | Moderate or heavy rain shower | 35° /25° | 17.6 mm | 8 | |
| Jul. 14 | Overcast | 35° /25° | 0.9 mm | 9 | |
| Jul. 15 | Moderate rain at times | 36° /25° | 2.1 mm | 10 | |
| Jul. 16 | Moderate or heavy rain shower | 35° /25° | 3.5 mm | 9 | |
| Jul. 17 |  Cloudy | 38° /24° | 0.4 mm | 10 | |
| Jul. 18 | Partly cloudy | 37° /25° | 0.2 mm | 10 | |
| Jul. 19 | Sunny | 37° /24° | 0.2 mm | 10 | |
| Jul. 20 | Sunny | 41° /26° | 0 mm | 11.1 | |
| Jul. 21 | Sunny | 41° /28° | 0 mm | 11.4 | |
| Jul. 22 | Sunny | 42° /29° | 0 mm | 11.3 | |
| Jul. 23 | Sunny | 41° /30° | 0 mm | 11.3 | |
| Jul. 24 | Sunny | 41° /30° | 0 mm | 10 | |
| Jul. 25 | Sunny | 42° /30° | 0 mm | 10 | |
| Jul. 26 | Sunny | 43° /31° | 0 mm | 10 | |
| Jul. 27 | Sunny | 44° /31° | 0 mm | 10 | |
| Jul. 28 | Sunny | 43° /30° | 0 mm | 10 | |
| Jul. 29 | Sunny | 42° /29° | 0 mm | 10 | |
| Jul. 30 | Sunny | 42° /30° | 0 mm | 10 | |
| Jul. 31 | Sunny | 39° /31° | 0.4 mm | 9 | |
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Collin County in July - FAQ
What are the expected maximum and minimum temperatures in Collin County during July?
How much rainfall should be expected in Collin County during July?
What are the typical wind conditions in Collin County during July?
July rainfall patterns in Collin County
UV exposure in Collin County during July
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Where is Collin County?Get accurate weather forecasts for Collin County, located at latitude 33.151 and longitude -96.824. Stay updated with localized weather information tailored for Collin County.