Antsiranana weather in May
May in Antsiranana: hot, dry, with clean air — an excellent time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#6 of 12 months in Antsiranana · #194 of 1413 destinations to visit in May · comfort 89/100 (tier A)
- Days
- 31°C
- Nights
- 24°C
- Wet days
- 2
- Sun
- 10.6 h
- Humidity
- 73%
- Daylight
- 12 h
Traveller notes on Antsiranana in May
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.
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.
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Antsiranana climate normals — May
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Antsiranana in May
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 3 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 July–September, best around August.
Best weatherFair weatherToughest weather
What's on in Antsiranana in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Varatraza wind season
1 Apr – 30 Nov · usuallyThe trade wind locals call varatraza blows almost daily, turning the Emerald Sea and Sakalava Bay into a kitesurfing spot; it is strongest from July to September, which also makes boat trips choppy.
- Season
The long dry months
1 May – 30 Nov · usuallyDry seasonRain is the exception rather than the rule from May onwards, which is when the tracks up Montagne d'Ambre hold and the boats to the Emerald Sea run most days. It is also when the trade wind is strongest across the bay.
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 May — FAQ
- Is May a good time to visit Antsiranana?
- May in Antsiranana: hot, dry, with clean air — an excellent time to visit. It ranks #6 of 12 months for Antsiranana on SeasonMap's comfort score (89/100).
- What is the weather like in Antsiranana in May?
- In May, Antsiranana averages a daily high of 31°C and a low of 23.5°C, with about 6.6 mm of rain over roughly 2.3 rainy days.
- What is the air quality in Antsiranana in May?
- Antsiranana has a mean US Air Quality Index of about 19 in May.
Within 300 km: Nosy Be's Festival Donia around 20 May – 15 Jun.