October in Galveston averages a daily high of 27.3°C with nights around 20.6°C. Expect roughly 7.4 wet days totalling 118mm. 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 October data.