Weather in Madagascar in December

December in Madagascar means full-on tropical summer. Coastal areas heat up with humidity so thick you can feel it. Rain isn't just falling—it's in full swing, especially in the east and north. Even the highlands are warming up as summer sets in. Here's everything you need to know about the weather in Madagascar in December.

Madagascar in December at a glance:

• Warm and wet, with temperatures averaging 80°F (27°C).
• Heavy rains, especially in the east, with the potential for cyclones.
• Central highlands remain cooler and less humid.
• Low tourist traffic, except for vacation travelers at year’s end.

Is December a good time to visit Madagascar?

If you’re thinking about visiting Madagascar in December, keep in mind that it may not be ideal if you're primarily looking for a beach getaway or extensive hiking. 

December is right in the middle of the rainy season, so expect high humidity and frequent downpours. The rain can limit some outdoor activities, but it also brings the forests to life, making it a great time for wildlife enthusiasts. You’ll have the chance to see many unique species, especially in places like Andasibe-Mantadia National Park, where the eerie calls of the Indri lemurs echo through the misty trees.

Northern beaches such as Nosy Be are an option, but the weather can be unpredictable. Traveling can get tricky, especially in more remote areas where roads might become impassable and certain national park trails could be closed. Flexibility is definitely important during this time. Don't forget to pack quality rain gear, use robust insect repellent, and consider antimalarial precautions. 

If you're not sold on the idea of the weather in Madagascar in December, see our full guide to when to go to Madagascar.

Average daily temperatures in December

In December, Madagascar experiences hot summer temperatures. In Antananarivo and the central highlands, highs average around 81°F (27°C) with lows of about 63°F (17°C). On the east coast, Toamasina sees highs of 88°F (31°C) and lows of 73°F (23°C). Over on the west coast, Mahajanga heats up to 91°F (33°C) during the day and cools to around 75°F (24°C) at night. Down in the south, Toliara has similar highs of 91°F (33°C) and lows of 72°F (22°C). In the north, Antsiranana stays warm with daytime temperatures reaching 88°F (31°C) and nighttime lows around 75°F (24°C).  

December is known for its high temperatures and increased rainfall across most of the island. The east coast and central highlands get substantial rain, while the west and south experience more showers than in previous months. With humidity levels high, the heat feels more intense. This month marks the peak of Madagascar's hot, wet season, and tropical storms are possible, especially in coastal areas.

Decided to book a December break? For further inspiration, discover more of the best places to visit in December.

What about crowds and costs?

The warm weather and unique wildlife in Madagascar during December draw many tourists to the island. Popular spots like Nosy Be and the national parks become busier, with more crowds and higher activity. Because of the increased demand, accommodation and transportation prices peak during this time, making it important to book flights, hotels, and tours in advance to secure the best rates and ensure availability.

Although prices can be higher, with some careful planning, you can still stay within budget.

Best things to do in December

There are many exciting things to do in Madagascar, here's our pick for December:

Amber Mountain National Park

Amber Mountain National Park, in northern Madagascar, is a lush rainforest sanctuary filled with cascading waterfalls, and pristine crater lakes. You’ll find a network of hiking trails that let you explore the park's rich biodiversity while surrounded by the sounds of the rainforest. 

Nosy Mangabe

Nosy Mangabe is a small island reserve located in the Bay of Antongil, and it's a wildlife haven. Here, you can look for the elusive aye-aye and other unique species. The island gives you a genuine sense of adventure and isolation. You can only reach Nosy Mangabe by boat, which adds to its mystique. It’s an enticing destination if you’re looking for an off-the-beaten-path experience.

Anja Community Reserve

Located south of Ambalavao, Anja Community Reserve gives you a chance to see ring-tailed lemurs in their natural habitat. The reserve is managed by the local community, with conservation initiatives that help protect the surrounding ecosystem while supporting sustainable wildlife tourism.

On 18-day Madagascar trips, Anja works well as a meaningful stop on a longer southern route, especially if you are traveling between the highlands, Andringitra and Isalo and want a wildlife encounter that also connects closely with local culture.

Isalo’s Piscine Naturelle

Isalo's Piscine Naturelle, set in the stunning landscape of Isalo National Park, is a peaceful place to unwind. This natural swimming hole is surrounded by lush vegetation and rugged rock formations, making it a beautiful spot to relax and refresh. It’s perfect for cooling off after hiking through the park's diverse terrain.  

Plan your trip with our Madagascar itineraries

Our Madagascar itineraries are crafted to help you experience the best of the country, stress-free. Think of them as a starting point — perfect for planning, but flexible enough to adjust to your own pace and interests. After all, travel is about freedom, but a little planning goes a long way.

• Madagascar honeymoon itinerary: This romantic itinerary offers the perfect blend of adventure and relaxation. Explore lush rainforests filled with unique wildlife, admire the iconic Baobab Avenue and relax on the pristine beaches.