Weather in Lewisville in May

Lewisville, United States averages a high of 27.8°C (82°F) and low of 18.8°C (65.8°F) in May, with 11 rain days and 10.1 hours of daily sunshine. Travel score: 80.9/100 (Excellent). The best time to visit Lewisville is September.

High
28°C82°F
Low
19°C66°F
🌧️
11
rain days
☀️
10.1
hrs/day sunshine
💧
71%
humidity
81Excellent

May in Lewisville is warm and occasionally wet — ideal for sightseeing and outdoor activities.

What are the average temperatures in Lewisville?

JanFebMarAprMay28°19°JunJulAugSepOctNovDec

How much does it rain in Lewisville in May?

Lewisville receives an average of 137mm of rainfall across 11 rainy days in May. The annual total is 1011.2mm.

JanFebMarAprMay11dJunJulAugSepOctNovDec

What should I pack for Lewisville in May?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 28°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun

Recommended

🧥
Light rain jacket
Some rainy days expected (11 days)
Umbrella
Be prepared for occasional showers

Traveling to United States in May?

Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.

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Data based on 1994–2024 averages · Last updated: 2024-12-31