Mahajanga's climate is characterized by a relatively consistent temperature range throughout the year, with average highs rarely exceeding 35°C. The warmest period occurs in the late summer and early autumn months of September to November, with temperatures gradually cooling down from December to May. June and July are the coolest months, with temperatures averaging around 25°C. There is no distinct seasonal pattern, but a gentle warming trend can be observed from May to August, followed by a sharp increase in temperature from September to November. The hottest days of the year usually occur in February and March, when temperatures occasionally reach as high as 39°C.