Belo sur Mer Weather

Located on the west coast of Madagascar, Belo sur Mer has a tropical savanna climate featuring high temperatures and seasonally distributed rainfall.

High Temperatures

Monthly average temperatures of Belo sur Mer are approximately from 19 to 32 degrees Celsius (66 to 90 degrees Fahrenheit). During the day, the village is generally hot, especially between October and April. In addition, UV index here is typically about 6 or 7. Therefore, you’d better prevent both heatstroke and sunburn on your tour. At night, the weather of the Belo sur Mer is basically not cold, and even in the coolest June to August, an additional lightweight jacket is enough to help keep warm.

 Hottest Month: January: 26-32℃ (79-90℉)
 Coolest Month: July: 19-27℃ (66-81℉)

Seasonally Distributed Rainfall: 8-month-long Dry Season

Between December and March, Belo sur Mer receives high rainfall in about 9 to 16 days per month on average, and these months thus constitute the local rainy season. In contrast, in the other eight months, the village only experiences no more than 3 wet days each month averagely. Even on rainy days, it just rains lightly for a short time, almost having no impact on your sightseeing and relaxation on the beach.

 Rainiest Month: January: 280 mm / 16 rainy days
 Driest Month: July: 1 mm / 0 rainy days

Warm Sea Water & Perfect Wind Conditions for Water Sports

The position on the coastline and also perfect weather conditions make Belo sur Mer a good place for people to enjoy various water sports. The sea water is generally warm all year round, with monthly average temperatures in a rough range from 24 to 30°C (75 to 86°F), making it suitable to enjoy snorkeling. As for the wind speed, it ranges between 15 and 19 kph (9 and 12 mph) per month averagely, which creates a perfect condition for surfing. Under these preconditions, low rainfall in the dry season just makes it more convenient to do water sports.

Sunrise, Sunset, & Daytime

Throughout the year, Belo sur Mer enjoys its longest daytime about 13h20min long in December, with the earliest sunrise and the latest sunset respectively at around 5:20 and 18:40. In terms of the shortest daytime, it lasts for about 10h55min in June, during which the sun typically comes up at about 6:35 and sets at about 17:30. Therefore, if you plan to admire sunset scenery over the sea, you’d better arrange your itinerary properly and arrive at the beach no later than the sunset time.

Belo sur Mer Weather by Month and Travel Recommendation

Month	Weather	Peak/Slack Season	Recommendation Rate
January	Rainy, Hot	Slack Season
February	Rainy, Hot	Slack Season
March	A Little Rainy, Hot	Shoulder Season
April	Sunny, Hot	Peak Season
May	Sunny, Hot	Peak Season
June	Sunny, A Little Hot Day and Cooler Night	Peak Season
July	Sunny, A Little Hot Day and Cooler Night	Peak Season
August	Sunny, A Little Hot Day and Cooler Night	Peak Season
September	Sunny, Hot	Peak Season
October	Sunny, Hot	Peak Season
November	Sunny, Hot	Peak Season
December	A Little Rainy, Hot	Shoulder Season

Rainy Season: December-March

Climate Overview

 Temperature: 25-32°C (77-90°F)
 Rainfall: 725mm
 Rainy days in total: 48

From December to March, the average temperatures of Belo sur Mer are at a high level between 25 and 32°C, bringing hot weather for this coastal village. During the day, the highest average temperature is about 31 or 32°C (88 or 90°F), making heatstroke prevention necessary. In these months, the total rainfall accounts for about 93% of the annual total, and Belo sur Mer receives monthly average precipitation from around 74 to 280 mm in about 9 to 16 days. In the middle of the rainy season, the village is likely to experience moderate rain or thunderstorms.

Travel Tips and Recommendations

1. High rainfall this season results in bad road conditions and also makes people’s relaxation on the beach inconvenient, so it’s not a good idea to travel to Belo sur Mer in its rainy season.
2. If you have decided to travel here from December, 2025 to March, 2026, it’s more recommended to visit this place in the less rainy beginning and end periods. On the premise of proper arrangements, you can still enjoy a relaxed journey on the beach and visit local shipyard.

Dry Season: April-November: Also Best Time to Visit Belo sur Mer

Climate Overview

 Temperature: 19-31°C (66-88°F)
 Rainfall: 58.5mm
 Rainy days in total: 8

The climate of Belo sur Mer is hot and quite dry between April and November. In this period, average temperatures approximately fluctuate from 19 to 31°C, with the highest average temperature per month of around 30°C. In addition, in view of the high UV index of 6 or 7 in this season, sun-protective measures are requisite. Even in the coolest June to August, the lowest average temperature can still reach 19 or 20°C (66 or 68°F) and people basically won’t feel cold and just need to add a lightweight jacket. Rainfall this season is quite low, and the precipitation is from 1 to 19 mm with 3 rainy days the most per month on average. From June to September, there are barely any rainy days.

Coral Reefs in Belo sur Mer

Huge Baobabs in Belo sur Mer

Travel Tips and Recommendations

1. You can not only take a stroll on the beach and enjoy scenery composed of sea water, rocks, and mangrove trees, but also play various water sports including swimming, snorkeling, and surfing.
2. As the entrance of the Kirindy Mite National Park, Belo sur Mer allows you to watch rich varieties of endemic animals and plants.
3. In consideration of strong radiation this season, it’s suggest to avoid outdoor activities at noon and take enough sun protection measures.

Weather for More Madagascar Destinations:

• Madagascar 
• Antananarivo 
• Andasibe 
• Nosy Be
• Morondava
• Ifaty
• Sainte Marie Island
• Antsirabe
• Kirindy
• Ranohira (Isalo NP)
• Ranomafana
• Antsiranana
• Toamasina
• Fianarantsoa
• Mahajanga