Antsiranana weather by month

The best time to visit Antsiranana is July to September — 95/100 in August, 29°C and 1 rainy day. The best season is the dry season, April to November (91/100 on average).

The worst month is January at 61/100 — sweltering, soaked, clean air. See January →

Updated September 2026 · climate normals from ERA5 reanalysis

Planning the wider trip? Best time to visit Madagascar →

Antsiranana🇲🇬 Madagascar · Indian Ocean Islands · Beach95
  1. 61Jan
  2. 71Feb
  3. 67Mar
  4. 83Apr
  5. 89May
  6. 91Jun
  7. 94Jul
  8. 95Aug
  9. 93Sep
  10. 92Oct
  11. 87Nov
  12. 81Dec

Best season: April to November (91/100 on average) · worst January (61/100)

Days
29°C
Nights
21°C
Wet days
1
Sun
10.7 h
Humidity
70%
Daylight
12 h
Antsiranana, Madagascar
Photo: BelgianChocolate · CC BY 2.0

Antsiranana, month by month

Comfort score out of 100 for the kind of trip Antsiranana is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.

MonthScoreTierHighRainSunCrowdsOn
Jan61C31°C25 d9 hQuiet1
Feb71B31°C24 d9 hQuiet1
Mar67C31°C23 d9 hQuiet1
Apr83A32°C7 d10 hShoulder2
May89A31°C2 d11 hShoulder2
Jun91S30°C1 d10 hBusy3
Jul94S29°C1 d10 hBusy2
Aug95S29°C1 d11 hBusy2
Sep93S29°C1 d11 hBusy2
Oct92S30°C1 d11 hShoulder2
Nov87A32°C5 d11 hShoulder3
Dec81A33°C14 d11 hShoulder1

What's on in Antsiranana through the year

Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.

April
  • Varatraza wind season1 Apr – 30 Nov (usually)Season
May
  • The long dry months1 May – 30 Nov (usually)Season
June
  • Independence Day25–27 JunHoliday
November
  • Cyclone season15 Nov – 30 Apr (usually)Hazard

Crowds in Antsiranana in August

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.

Busyschool holidays in 4 of the markets that fill it, one of its best months for weather(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Traveller notes on Antsiranana

What people who have been say about the place — the year-round notes first, then month by month.

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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