May in Baton Rouge averages a daily high of 30.2°C with nights around 18.6°C. Expect roughly 8 wet days totalling 140.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Baton Rouge is February–April.
Based on BATON ROUGE METRO AIRPORT, LA US (11.2km), 1995–2024. 30 years of May data.