A complete guide to choosing your dates on Nosy Boraha (Sainte-Marie), understanding the climate and making the most of humpback whale season.
Understanding the Climate of Sainte-Marie
Dry Season
- Period: April to November
- Temperatures: 24 to 28 °C
- Highlights: clear skies, rare rainfall, calmer seas
- Advantage: ideal for water activities, walks and excursions
Rainy Season
- Period: December to March
- Temperatures: warmer and more humid
- Highlights: frequent showers, cyclone risk in January–February
- Advantage: lush vegetation, fewer tourists
The Ideal Season for Spotting Humpback Whales
Each year, humpback whales migrate from Antarctica to breed in the warm waters of Madagascar.
Viewing Period
- Start: mid-June
- Peak: July, August, September
- End: early October
During this period, it is possible to spot whales from the shoreline or on guided boat excursions led by certified guides.
The Benefits of Travelling During Whale Season
- Witness breaches, courtship displays and blows out at sea
- Dry climate, pleasant temperatures and generally gentler seas
- Festive atmosphere with the Whale Festival in July
Other Activities by Season
April to June
- Dolphin watching and snorkelling
- Forest hikes and waterfall discoveries
October to December
- Scuba diving with excellent visibility
- Cycling or quad biking to explore the island
Tips for Planning Your Stay
Booking
As whale season is the most sought-after time to visit, we recommend booking your accommodation several months in advance to secure availability and the best rates.
Getting There
- Domestic flight from Antananarivo to Sainte-Marie airport
- Boat from Soanierana-Ivongo (not recommended during the height of the rainy season for safety reasons)
Accommodation
Choosing an apart-hotel on Sainte-Marie offers both comfort and independence: a fully equipped kitchen, generous living spaces perfect for families, sea views to enjoy the sunrise and, depending on the time of year, the chance to spot whales right from your balcony.
Conclusion
The period from June to September is the best time to visit Sainte-Marie if you wish to observe humpback whales. The climate is ideal and the sea is at its calmest. For those looking to avoid the crowds whilst still enjoying excellent conditions, April, May and October are outstanding alternatives.
Ready to escape?
Book your stay at La Colombine
Real-time availability, best rate guaranteed — book directly with us, we welcome you with the same care.