March in Galveston averages a daily high of 21.8°C with nights around 15.1°C. Expect roughly 7.5 wet days totalling 76.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Galveston is March–May.
Based on GALVESTON SCHOLES FIELD, TX US (7.3km), 1995–2024. 27 years of March data.