SeasonMapAntsiranana weather in December
Madagascar
December in Antsiranana: hot, rainy, with clean air — an excellent time to visit.
#9 of 12 months in Antsiranana · #405 of 1383 destinations to visit in December · comfort 81/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Antsiranana in December
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Antsiranana climate normals — December
| Daytime high | 30°C / 86°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Sea temperature | 30°C / 86°F | ♨️ bath-warm |
| Rainfall | 108 mm / 4.3 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.8 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 20 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Antsiranana in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 5 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Antsiranana's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherAntsiranana's weather peaks August–October.
Best weatherFair weatherToughest weather
What's on in Antsiranana in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Cyclone season
15 Nov – 30 Apr · usuallyClosuresThe basin's official storm season, and northern Madagascar is on the receiving end of it. Most weeks pass without incident, but a landfall takes out the road south and the flights for days rather than hours. Source ↗
Nearby, and something's on
Within 300 km of Antsiranana — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Antsiranana?
Antsiranana in December — FAQ
- Is December a good time to visit Antsiranana?
- December in Antsiranana: hot, rainy, with clean air — an excellent time to visit. It ranks #9 of 12 months for Antsiranana on SeasonMap's comfort score (81/100).
- What is the weather like in Antsiranana in December?
- In December, Antsiranana averages a daily high of 29.8°C and a low of 24.5°C, with about 108 mm of rain over roughly 15.4 rainy days.
- What is the air quality in Antsiranana in December?
- Antsiranana has a mean US Air Quality Index of about 20 in December.
Other months in Antsiranana
Compare Antsiranana in December
Warmer or cooler than Antsiranana in December
Similar destinations in Indian Ocean — December
Within 300 km: Nosy Be's Whale sharks around 1 Sep – 15 Dec.