Climate Overview
The climate in Maroantsetra is warm and mild. The average annual temperature is 23°C and approximately 3342mm of precipitation falls per year. Maroantsetra receives a notable amount of rainfall throughout the year, including during its driest month. Maroantsetra is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: January, February, March. The coldest months are August, July, September, when temperatures can drop to 19°C.
Temperature
Maroantsetra has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is January, when average highs reach 28°C and the mean temperature sits around 26°C. August is the coolest month, with minimum temperatures around 19°C and an average of 20°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.
Precipitation
Maroantsetra is a very wet location, receiving approximately 3342mm of precipitation annually, which averages out to around 279mm per month. The wettest month is March, averaging 474mm of rainfall. January and April also tend to see above-average precipitation. The driest month is October, with just 129mm. That's 345mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Maroantsetra is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 17km/h in winter, 14km/h in spring, 12km/h in summer, 14km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Maroantsetra, which began on March 20, 2026. Maroantsetra is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 28°C, while the coldest stretch bottoms out in August near 19°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 19 to 27°C. Rainfall is heavy, totalling around 459mm across the season with a monthly average of 153mm. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 23 to 28°C. Rainfall is heavy, totalling around 970mm across the season with a monthly average of 323mm. Winds are generally light, averaging 12km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 21 to 28°C. Rainfall is heavy, totalling around 1076mm across the season with a monthly average of 359mm. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 19 to 23°C. Rainfall is heavy, totalling around 838mm across the season with a monthly average of 279mm. Winds are moderate at around 17km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Maroantsetra based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.