Climate Insights for Antsiranana

The climate in Antsiranana is hot. The average annual temperature is 26°C and approximately 1,011 mm of precipitation falls per year. January is the wettest month, receiving around 329 mm of rainfall. Antsiranana 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, April. The coldest months are August, July, September, when temperatures can drop to 21°C.The climate in Antsiranana is hot. The average annual temperature is 79°F and approximately 39.8 in of precipitation falls per year. January is the wettest month, receiving around 13 in of rainfall. Antsiranana 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, April. The coldest months are August, July, September, when temperatures can drop to 70°F.

Antsiranana has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is December, when average highs reach 31°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 21°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.Antsiranana has relatively stable temperatures year-round, staying within a 18°F range. The warmest month is December, when average highs reach 88°F and the mean temperature sits around 81°F. August is the coolest month, with minimum temperatures around 70°F and an average of 76°F. Daily temperature variation is modest, with an average difference of 13°F between highs and lows.

Antsiranana is a moderately rainy area, receiving approximately 1,011 mm of precipitation annually, which averages out to around 84 mm per month. The wettest month is January, averaging 329 mm of rainfall. March and February also tend to see above-average precipitation. The driest month is September, with just 3 mm. That's 327 mm 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.Antsiranana is a moderately rainy area, receiving approximately 39.8 in of precipitation annually, which averages out to around 3.3 in per month. The wettest month is January, averaging 13 in of rainfall. March and February also tend to see above-average precipitation. The driest month is September, with just 0.1 in. That's 12.9 in 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.

Antsiranana is mildly breezy, with an average annual wind speed of 17km/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 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in February, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 14km/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 22km/h in winter, 21km/h in spring, 11km/h in summer, 16km/h in autumn.Antsiranana is moderately windy, with an average annual wind speed of 11mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is September, averaging 15mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in February, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 9mph 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 14mph in winter, 13mph in spring, 7mph in summer, 10mph in autumn.

The best time to visit Antsiranana is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 4 mm per month. By contrast, December can be uncomfortably hot with temperatures reaching 31°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Antsiranana is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 76°F with modest rainfall averaging 0.2 in per month. By contrast, December can be uncomfortably hot with temperatures reaching 88°F. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Antsiranana 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.The table below shows monthly climate averages for Antsiranana based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.