May in Baytown averages a daily high of 29.1°C with nights around 20.4°C. Expect roughly 7.4 wet days totalling 154.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Baytown is February–May.
Based on BAYTOWN, TX US (19.9km), 1995–2024. 29 years of May data.