February in Lewisville averages a daily high of 15.9°C with nights around 3.2°C. Expect roughly 7.1 wet days totalling 68.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Lewisville is March–April.
Based on GRAPEVINE DAM, TX US (12.1km), 1995–2024. 21 years of February data.