Tolanaro's climate is warm and temperate, with a distinct dry season that stretches from April to October. During this period, temperatures gradually cool down, peaking at around 31°C in May before dropping to as low as 14°C in June and July. The wet season begins in November, bringing warmer temperatures that rise steadily until December, which is the hottest month with average highs of around 33°C. As the dry season returns in January, temperatures gradually decrease but remain relatively stable throughout the year, averaging around 26-29°C from March to May and again from September to December. The coolest months are June, July, and August, while the warmest months are November and December.