April in Lewisville averages a daily high of 24.7°C with nights around 11.7°C. Expect roughly 7.5 wet days totalling 93.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Lewisville is March–April.
Based on GRAPEVINE DAM, TX US (12.1km), 1995–2024. 23 years of April data.