Climate Insights for Fianarantsoa Airport

The climate in Fianarantsoa Airport is warm and mild. The average annual temperature is 18°C and approximately 1592mm of precipitation falls per year. January is the wettest month, receiving around 331mm of rainfall. Fianarantsoa Airport 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, January, November. The coldest months are July, August, June, when temperatures can drop to 10°C.

Fianarantsoa Airport 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. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between September and October, with a 2°C shift in average temperatures.

Fianarantsoa Airport is a fairly wet location, receiving approximately 1592mm of precipitation annually, which averages out to around 133mm per month. The wettest month is January, averaging 331mm of rainfall. February and March also tend to see above-average precipitation. The driest month is September, with just 29mm. That's 302mm 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.

Fianarantsoa Airport 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 September, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently autumn in Fianarantsoa Airport, which began on March 20, 2026. Fianarantsoa Airport 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 Fianarantsoa Airport is during April, May, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 63mm 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 Fianarantsoa Airport 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.