Climate Overview
The climate in Amboasary is warm and mild. The average annual temperature is 24°C and approximately 423mm of precipitation falls per year. February is the wettest month, receiving around 77mm of rainfall. Amboasary 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, February, January. The coldest months are July, August, June, when temperatures can drop to 15°C.
Temperature
Amboasary sees moderate temperature variation throughout the year, ranging from 15°C to 33°C. The warmest month is December, when average highs reach 33°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 15°C and an average of 20°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.
Precipitation
Amboasary is a relatively dry area, receiving approximately 423mm of precipitation annually, which averages out to around 35mm per month. The wettest month is February, averaging 77mm of rainfall. December and January also tend to see above-average precipitation. The driest month is July, with just 7mm. That's 70mm less than February, 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.
Wind
Amboasary is mildly breezy, with an average annual wind speed of 18km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 20km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 16km/h in winter, 19km/h in spring, 19km/h in summer, 17km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Amboasary, which began on March 20, 2026. Amboasary 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 33°C, while the coldest stretch bottoms out in July near 15°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 17 to 32°C. Rainfall is relatively light, with around 77mm over the season and a monthly average of 26mm. Winds are moderate at around 19km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 22 to 33°C. Precipitation is moderate at around 220mm for the season, averaging 73mm per month. Winds are moderate at around 19km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 17 to 31°C. Rainfall is relatively light, with around 97mm over the season and a monthly average of 32mm. Winds are moderate at around 17km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 15 to 28°C. Precipitation is minimal, with only around 29mm for the entire season. Winds are moderate at around 16km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Amboasary is during April, May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 14mm per month. By contrast, December can be uncomfortably hot with temperatures reaching 33°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Amboasary 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.