Lewisville (TX)
May
Weather in Lewisville, Texas for May 2026
Your guide to Lewisville weather in May - trends and predictions
In general, the average temperature in Lewisville at the beginning of May is 26 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 30.9 °F by the end of May.
The climate of Lewisville in May is notably wet, with an average of 15 rainy days, and a total of 182.3 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
29°/20°
Temperatures
24 km/h
Avg max wind
70 %
Avg humidity
Lewisville Weather May
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Temperatures trend during May in Lewisville
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May weather in Lewisville day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Light rain shower | 27° /20° | 3.8 mm | 6 | |
| May 2 | Light rain shower | 25° /18° | 33.3 mm | 6 | |
| May 3 | Light rain shower | 25° /14° | 8.3 mm | 6 | |
| May 4 |  Patchy light rain with thunder | 27° /16° | 1.7 mm | 7 | |
| May 5 | Light rain shower | 25° /16° | 33.8 mm | 7 | |
| May 6 |  Thundery outbreaks possible | 24° /19° | 92.3 mm | 6 | |
| May 7 |  Mist | 29° /19° | 2.3 mm | 7 | |
| May 8 | Thundery outbreaks possible | 30° /18° | 0 mm | 7 | |
| May 9 | Light rain shower | 26° /16° | 0.7 mm | 6 | |
| May 10 |  Overcast | 24° /15° | 0 mm | 5 | |
| May 11 |  Patchy light drizzle | 22° /14° | 0.2 mm | 5 | |
| May 12 |  Moderate or heavy rain shower | 24° /15° | 8 mm | 6 | |
| May 13 | Thundery outbreaks possible | 31° /18° | 0.1 mm | 7 | |
| May 14 |  Sunny | 34° /17° | 0 mm | 8 | |
| May 15 | Sunny | 32° /20° | 0 mm | 8 | |
| May 16 | Patchy light rain | 30° /21° | 4 mm | 7 | |
| May 17 | Light rain shower | 30° /21° | 2.5 mm | 7 | |
| May 18 | Sunny | 30° /20° | 0 mm | 7 | |
| May 19 | Sunny | 31° /22° | 0 mm | 7 | |
| May 20 |  Partly cloudy | 31° /21° | 0 mm | 8 | |
| May 21 | Patchy rain possible | 32° /21° | 0 mm | 7 | |
| May 22 |  Moderate or heavy rain with thunder | 34° /22° | 1.5 mm | 8 | |
| May 23 | Moderate or heavy rain with thunder | 31° /20° | 4.9 mm | 7 | |
| May 24 | Overcast | 35° /22° | 0.2 mm | 8 | |
| May 25 | Thundery outbreaks possible | 34° /22° | 0 mm | 7 | |
| May 26 | Sunny | 33° /22° | 95.8 mm | 8 | |
| May 27 | Sunny | 31° /21° | 36.1 mm | 7 | |
| May 28 | Thundery outbreaks possible | 31° /19° | 41.4 mm | 7 | |
| May 29 | Thundery outbreaks possible | 28° /19° | 10.2 mm | 6 | |
| May 30 | Thundery outbreaks possible | 29° /21° | 6.8 mm | 6 | |
| May 31 | Light rain shower | 30° /19° | 6.4 mm | 7 | |
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Important Notice
Our weather forecast for Lewisville in May 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.
Change Month
Lewisville in May - FAQ
What are the expected maximum and minimum temperatures in Lewisville during May?
During May, expect a variety of temperatures with highs around 29° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Lewisville during May?
Significant rainfall exceeding 182.3 mm is expected in Lewisville during May, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Lewisville during May?
The average wind speed in Lewisville during May is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Lewisville
Explore the daily rainfall trends and prepare for Lewisvilles May weather 💧
UV exposure in Lewisville during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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