May in Tôlanaro averages a daily high of 27.5°C with nights around 18.8°C. Expect roughly 13.8 wet days totalling 163.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tôlanaro is August–September.
Based on TAOLAGNARO, MA (3.4km), 1995–2024. 18 years of May data.