December in Tôlanaro averages a daily high of 31°C with nights around 22.6°C. Expect roughly 12 wet days totalling 135.4mm. 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 December data.