Toamasina features a tropical rainforest climate under the K�ppen climate classification. While Toamasina has no true dry season month where less than 60 mm of precipitation (on average) falls, the seaport has noticeably wetter and drier periods of the year. September�November is the driest period of the year, while February�April is the wettest time of the year. Average temperatures are relatively constant throughout the course of the year, though it is slightly cooler in the months of July and August, where average highs hover around 24 degrees Celsius and warmer in the months of January and February, where high temperatures on average reaches 30 degrees Celsius. Toamasina averages roughly 3,250 mm of precipitation annually
