Climate Insights for Ambalavao

The climate in Ambalavao is warm and mild. The average annual temperature is 18°C and approximately 2081mm of precipitation falls per year. Ambalavao receives a notable amount of rainfall throughout the year, including during its driest month. Ambalavao 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: December, November, January. The coldest months are July, August, June, when temperatures can drop to 10°C.

Ambalavao sees moderate temperature variation throughout the year, ranging from 10°C to 26°C. The warmest month is December, when average highs reach 26°C and the mean temperature sits around 21°C. July is the coolest month, with minimum temperatures around 10°C and an average of 14°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 2°C shift in average temperatures.

Ambalavao is a very wet location, receiving approximately 2081mm of precipitation annually, which averages out to around 173mm per month. The wettest month is January, averaging 434mm of rainfall. February and March also tend to see above-average precipitation. The driest month is September, with just 48mm. That's 385mm less than January, 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.

Ambalavao is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently autumn in Ambalavao, which began on March 20, 2026. Ambalavao 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 December at around 26°C, while the coldest stretch bottoms out in July near 10°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Ambalavao is during May, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 64mm per month. By contrast, December can be uncomfortably hot with highs reaching 26°C, while July is the coldest period with lows dropping to 10°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 Ambalavao 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.