Climate Insights for Sambava

The climate in Sambava is warm and mild. The average annual temperature is 25°C and approximately 2074mm of precipitation falls per year. Sambava receives a notable amount of rainfall throughout the year, including during its driest month. Sambava 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: February, March, December. The coldest months are August, July, September, when temperatures can drop to 20°C.

Sambava has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is February, when average highs reach 30°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 20°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.

Sambava is a very wet location, receiving approximately 2074mm of precipitation annually, which averages out to around 173mm per month. The wettest month is March, averaging 442mm of rainfall. January and February also tend to see above-average precipitation. The driest month is October, with just 55mm. That's 386mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Sambava is relatively calm, with an average annual wind speed of 4km/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 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 3km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 5km/h in winter, 4km/h in spring, 3km/h in summer, 4km/h in autumn.

It is currently winter in Sambava, which began on June 21, 2026. Sambava 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 February at around 30°C, while the coldest stretch bottoms out in August near 20°C. Spring is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Sambava is during August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 65mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 30°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Sambava 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.