Lewisville (TX)
July
Weather in Lewisville, Texas for July 2026
Your guide to Lewisville weather in July - trends and predictions
Heat Advisory - See hour by hour.
Until now, July 2026 in Lewisville is slightly cooler than the historical average by -0.6 °C.
The forecast for the next days in Lewisville predicts temperatures to be around 42 °C, close to the historical average.
In general, the average temperature in Lewisville at the beginning of July is 36 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 42.1 °C by the end of July.
Lewisville experiences moderate rainfall in July, with an average of 10 rainy days and a total precipitation of 63.2 mm.
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Temperatures
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21
Dry days
10
Rainy days
0
Snow days
35°/25°
Temperatures
22 km/h
Avg max wind
56 %
Avg humidity
Lewisville Weather July
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Temperatures trend during July in Lewisville
See the weather trend as well as the moving average line
July weather in Lewisville day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Cloudy | 37° /27° | 0.1 mm | 10 | |
| Jul. 2 |  Sunny | 37° /26° | 0 mm | 10 | |
| Jul. 3 | Sunny | 36° /27° | 0.1 mm | 10 | |
| Jul. 4 | Sunny | 38° /27° | 0.1 mm | 10 | |
| Jul. 5 |  Moderate or heavy rain shower | 33° /24° | 5.6 mm | 9 | |
| Jul. 6 |  Patchy rain possible | 35° /23° | 0.3 mm | 10 | |
| Jul. 7 |  Partly cloudy | 36° /24° | 0.1 mm | 10 | |
| Jul. 8 | Light rain shower | 35° /23° | 4.1 mm | 9 | |
| Jul. 9 | Partly cloudy | 33° /22° | 3.5 mm | 9 | |
| Jul. 10 | Partly cloudy | 37° /25° | 0 mm | 10 | |
| Jul. 11 | Sunny | 36° /25° | 0.3 mm | 10 | |
| Jul. 12 | Partly cloudy | 35° /24° | 10.6 mm | 9 | |
| Jul. 13 | Moderate or heavy rain shower | 34° /24° | 19.3 mm | 8 | |
| Jul. 14 | Patchy rain possible | 34° /25° | 2.8 mm | 9 | |
| Jul. 15 | Partly cloudy | 36° /24° | 0.9 mm | 10 | |
| Jul. 16 | Sunny | 35° /24° | 3.4 mm | 9 | |
| Jul. 17 |  Thundery outbreaks possible | 36° /25° | 0.4 mm | 10 | |
| Jul. 18 | Partly cloudy | 36° /24° | 0.2 mm | 10 | |
| Jul. 19 | Sunny | 36° /23° | 0.5 mm | 10 | |
| Jul. 20 | Sunny | 42° /27° | 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° /31° | 0 mm | 11.3 | |
| Jul. 24 | Sunny | 42° /31° | 0 mm | 10 | |
| Jul. 25 | Sunny | 42° /31° | 0 mm | 10 | |
| Jul. 26 | Sunny | 41° /29° | 0 mm | 10 | |
| Jul. 27 | Sunny | 44° /31° | 0 mm | 10 | |
| Jul. 28 | Sunny | 44° /30° | 0 mm | 10 | |
| Jul. 29 | Sunny | 42° /29° | 0 mm | 10 | |
| Jul. 30 | Sunny | 42° /30° | 0 mm | 10 | |
| Jul. 31 | Sunny | 40° /31° | 0.8 mm | 10 | |
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Important Notice
Our weather forecast for Lewisville in July 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 Lewisville forecast closer to your planned date for the most up-to-date weather information.
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Lewisville in July - FAQ
What are the expected maximum and minimum temperatures in Lewisville during July?
With daytime temperatures soaring above 35° and not dropping much below 25° at night, July in Lewisville is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Lewisville during July?
Moderate rainfall is anticipated in Lewisville during July, with a total of 63.2 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Lewisville during July?
The average wind speed in Lewisville during July is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Lewisville
Explore the daily rainfall trends and prepare for Lewisvilles July weather 💧
Typically, Lewisville has 10 rainy days in July with a total of 63.2 mm of rainfall.
UV exposure in Lewisville during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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