Toamasina Weather in December

Key points:
1. Average temperatures of Toamasina (Tamatave) are high above 25 degrees Celsius (77 degrees Fahrenheit) in December, bringing this tropical city hot weather.
2. It’s relatively wet in Toamasina in December and rain gear is a must.
3. Based on proper arrangements, tourists can still enjoy their tours here this month.

High Temperature above 25°C Averagely

In December, temperatures of Toamasina are in an increasing trend. The average temperatures approximately range from 25 to 29°C (77 to 84°F). In the daytime, the weather is generally hot, and the highest record temperature this month is about 30°C (86°F), making heatstroke prevention necessary. At night, temperatures drop slightly but even the lowest record temperature is still above 20°C (68°F), so you basically won’t feel cold this month.

Around 10 Slightly Rainy Days

Rainfall this month also increases a bit and the total precipitation is about 220 mm. Even though, the weather here won’t be that rainy and the city only experiences drizzles and showers, with a chance of rain being about 32%. In view of this, rain gear becomes a must during your tour.

High Humidity

Given that Toamasina is a coastal city by the Indian Ocean, its climate, especially its humidity, is easily influenced by moist sea wind. The humidity here in December averages high about 83%. In high humidity and high temperatures, people may feel stuffy. To feel better, you can use some dehumidifying products.

Ideal Weather Conditions for Water Sports

The sea temperature of Toamasina in December averages around 28°C and that’s an ideal temperature for doing water sports such as snorkeling and swimming. Besides, the average wind speed of this city this month is about 20 kph (12 mph) and it creates good conditions for people to enjoy surfing. For any type of water sports, remember to do it on rainless days for better experiences and your safety.

Long Daylight and Sunshine Hours

Toamasina has the longest daytime in December compared with other months and it roughly lasts for about 13h5min to 13h10min long. The sun rises at around 5:00 the earliest and goes down at around 18:20 the latest. Sunshine hours here are about 7 hours long per day on average. The UV index is about 7, which indicates strong UV radiation, especially at sunny noon. Under this weather condition, you need to take necessary sunblock measures.

Packing List for Visiting Toamasina in December

Clothes: Breathable summer outfits are recommended clothes. You can bring short-sleeved shirts or T-shirts as tops and thin shorts or skirts as bottoms. For girls, a long dress is also recommended.

Shoes: For daily sightseeing, breathable sneakers or flats are suitable shoes. For a comfortable stroll on the beach, water shoes are more recommended.

Water sport clothing: For water sports such as surfing, snorkeling, and swimming, it’s advisable to bring your own long-sleeved wetsuits, snorkel socks, and swimwear. In addition, when you finish the sport, a quick-dry towel helps wipe sea water on your body timely to prevent catching a cold.

Others:
(1) Rain gear: An umbrella is more recommended than a raincoat because it won’t make you stuffy.
(2) Sunblock products: You can bring your sunglasses, sun hat, or sun-protective jacket. Alternatively, you can pack your high-SPF sunscreen into your luggage.
(3) Dehumidifying products: A handheld fan can improve air circulation and bring more fresh air. Wet tissues make your skin cooler after you use them to wipe your sweat off.

Top Things to Do in Toamasina in December

1. Visit Ancient Fort Manda
No matter what the weather is like this month, sunny, cloudy, or slightly rainy, Fort Manda is always a must-see attraction in Toamasina. When sunshine is brilliant, it’s more convenient to photograph this architecture clearly. Even on wet days, like mentioned above, there is no heavy rain in December, so just open your umbrella to stroll around and learn about how Madagascan people once defended their territory.

2. Make an Island Tour to Nosy Alanana
On rainless days, in addition to visiting attractions, you can further take a boat to enjoy scenery of nearby island Nosy Alanana. Pick a sunny day, when you can fully enjoy fine sands and sunbathing, view endemic animals and coral reefs, and climb Africa’s highest lighthouse.

Tips: Bring seasickness pills if you need. In addition, you need to bring your own drinking water and food since there’re no restaurants on the island.

Beautiful Coral in Toamasina

Toamasina Street on Sunny Day

3. Take a City Walk in Downtown Area
Taking a city walk in downtown Toamasina is also a good way to know this city. On slightly wet days, visiting local museum Musée VAVITIANA and going to local market Bazaar Kely are recommended. On brightly sunny days, it’s suitable to go to the independent avenue here and take beautiful photos of high palm trees on both sides.

Toamasina December Travel Tip

In consideration of about 10 rainy days this month, if you plan to visit Toamasina in December, 2025, it’s suggested to check weather broadcast in advance and arrange your tour on days without rain as much as possible. During your tour, please carry an umbrella always in case of a sudden weather change.