Mahajanga Weather in December
During December, Mahajanga experiences very high daytime temperatures of 32°C (90°F) and cooler nights around 25°C (77°F). December sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Mahajanga in December
As part of the rainy season, Mahajanga sees around 16 days of rain in December, with an average of 214 mm (8.4 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Mahajanga in December
December in Mahajanga sees highs of 32°C (90°F) and lows of 25°C (77°F) overnight. It's usually most comfortable outside during the morning and later in the day. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water. Especially if you find yourself outdoors for a longer period.
Sunshine in Mahajanga in December
Expect sunny days throughout the month, with an estimated 225 hours of sunshine. Despite being the rainy season, it could still be a nice time to visit. Rain often arrives later in the day, keeping most of the days sunny.December in Mahajanga has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Madagascar, check out our Mahajanga's climate page.
Mahajanga Temperature in December
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Mahajanga typically stay consistent throughout December, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in December
Daily Historical Precipitation
47-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Mahajanga in December
Browse day-by-day weather records for Mahajanga spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mahajanga historical weather extremes in December
Based on 31 years of weather observations (1994-2025), these are the most extreme conditions recorded in Mahajanga.
- The hottest December day on record in Mahajanga reached 39°C (102°F) (December 13, 2024).
- Mahajanga experienced its chilliest December day on December 29, 1995, reaching only 24°C (75°F).
- The lowest overnight temperature recorded in December was 21°C (70°F) (December 22, 2000).
Best Places in Madagascar in December
Find out more about the weather in Madagascar and which places have the best travel conditions in this month. See all of Madagascar in December →
perfect weather
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What to Wear in Mahajanga in December
Warm but pleasant conditions in Mahajanga in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Mahajanga in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Madagascar, check out our Mahajanga's climate page.
Temperature Rainfall Sunshine Humidity
See the full Mahajanga climate overview or explore weather in Madagascar.