Antsiranana weather in January

January in Antsiranana: sweltering, soaked, with clean air — a gamble, with 25 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Antsiranana🇲🇬 Madagascar · Indian Ocean Islands · Beach61
  1. 61Jan
  2. 71Feb
  3. 67Mar
  4. 83Apr
  5. 89May
  6. 91Jun
  7. 94Jul
  8. 95Aug
  9. 93Sep
  10. 92Oct
  11. 87Nov
  12. 81Dec

#12 of 12 months in Antsiranana · #924 of 1413 destinations to visit in January · comfort 61/100 (tier C)

Days
31°C
Nights
24°C
Wet days
25
Sun
9 h
Humidity
84%
Daylight
13 h
Antsiranana, Madagascar
Photo: BelgianChocolate · CC BY 2.0

Traveller notes on Antsiranana in January

Other months in Antsiranana

Madagascar's forum describes April as real relief after the heavy January-through-March wet season - cyclone risk is winding down, though posters noted it isn't entirely zero yet, especially for the east and northeast coast where Antsiranana sits. The overall framing from regulars is genuinely positive: rainfall drops off noticeably, travel delays from washed-out roads become less likely, and the landscape stays lush and green from the rains just past. It's considered a genuinely good shoulder-season window - past the riskiest cyclone weeks but before the peak dry-season crowds arrive.
NorthMadagascarRegular · April · 1 month ago · Read more on Tripadvisor ↗
Forum posters note travelers commonly plan visits to Diego Suarez (Antsiranana) and nearby Ramena for the October-into-November stretch, a period that sits within Madagascar's broader dry season. This far-northern tip of Madagascar is well known for a distinctly different climate from the rest of the country - notably drier and windier, shaped by the strong trade winds ('Alizés') that funnel through the region - making October a reliably dry, breezy month here even compared to Madagascar's already-favorable dry season elsewhere. Posters consistently recommend excursions to the Red Tsingy formations and the Emerald Sea as highlights well-suited to October's calm, dry conditions, with well-organized day tours a popular way to see both.
Tripadvisor community · October · 1 month ago · Read more on Tripadvisor ↗

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Antsiranana climate normals — January

Daytime high31°C / 89°F🔥 sweltering
Nighttime low24°C / 75°F
Feels like (high)37°C / 99°F
Sea temperature30°C / 85°F♨️ bath-warm
Rainfall323 mm / 12.7 in⛈ soaked
Rainy days25 days
Humidity84%💦 very humid
Dew point23°C / 73°F
Sunshine9 h/day
Daylight12.7 h
Wind16 km/h / 10 mph
Air quality (US AQI)24🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Antsiranana in January

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.

Quietschool holidays in 5 of the markets that fill it, one of its worst months for weather(estimated)

JFMAMJJASOND

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).

Toughest weatherAntsiranana's weather peaks July–September, best around August.

January coincides with Cyclone season.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Antsiranana in January

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Hazard

    Cyclone season

    15 Nov – 30 Apr · usuallyClosures

    The 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 ↗

  • Season

    Wet season

    MonsoonRisk

    25 rainy days and about 323 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in January →

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?

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Antsiranana in January — FAQ

Is January a good time to visit Antsiranana?
January in Antsiranana: sweltering, soaked, with clean air — a gamble, with 25 rainy days. It ranks #12 of 12 months for Antsiranana on SeasonMap's comfort score (61/100).
What is the weather like in Antsiranana in January?
In January, Antsiranana averages a daily high of 31.4°C and a low of 23.9°C, with about 323.2 mm of rain over roughly 24.7 rainy days.
What is the air quality in Antsiranana in January?
Antsiranana has a mean US Air Quality Index of about 24 in January.

Within 300 km: Nosy Be's The hot, wet months around 1 Dec – 31 Mar.