Climate Overview
The climate in Baie-Mahault is hot. The average annual temperature is 26°C and approximately 1167mm of precipitation falls per year. Baie-Mahault receives a notable amount of rainfall throughout the year, including during its driest month. Baie-Mahault is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, July. The coldest months are February, March, January, when temperatures can drop to 24°C.
Temperature
Baie-Mahault has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is September, when average highs reach 28°C and the mean temperature sits around 27°C. February is the coolest month, with minimum temperatures around 24°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
Baie-Mahault is a moderately rainy area, receiving approximately 1167mm of precipitation annually, which averages out to around 97mm per month. The wettest month is September, averaging 161mm of rainfall. November and October also tend to see above-average precipitation. The driest month is February, with just 55mm. That's 105mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Baie-Mahault is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
93 days until Autumn
It is currently summer in Baie-Mahault, which began on June 21, 2026. Baie-Mahault is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in September at around 28°C, while the coldest stretch bottoms out in February near 24°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 24 to 27°C. Precipitation is moderate at around 213mm for the season, averaging 71mm per month. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 28°C. Precipitation is moderate at around 298mm for the season, averaging 99mm per month. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 447mm across the season with a monthly average of 149mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 26°C. Precipitation is moderate at around 210mm for the season, averaging 70mm per month. Winds are generally light, averaging 5km/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 Baie-Mahault is during January, February and March, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 61mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 28°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Baie-Mahault 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.
