June in Galveston averages a daily high of 31.4°C with nights around 25.9°C. Expect roughly 8.2 wet days totalling 110.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Galveston is March–May.
Based on GALVESTON SCHOLES FIELD, TX US (7.3km), 1995–2024. 28 years of June data.