SeasonMapAntsiranana weather in May
Madagascar
May in Antsiranana: hot, dry, with clean air — an excellent time to visit.
#6 of 12 months in Antsiranana · #190 of 1383 destinations to visit in May · comfort 89/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Antsiranana in May
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Antsiranana climate normals — May
| Daytime high | 31°C / 88°F | 🥵 hot |
|---|---|---|
| Nighttime low | 24°C / 74°F | |
| Feels like (high) | 32°C / 90°F | |
| Sea temperature | 29°C / 85°F | ♨️ bath-warm |
| Rainfall | 7 mm / 0.3 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 20°C / 68°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 11.5 h | |
| Wind | 25 km/h / 15 mph | |
| Air quality (US AQI) | 19 | 🍃 good |
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
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.
Other months in Antsiranana
Compare Antsiranana in May
Warmer or cooler than Antsiranana in May
Similar destinations in Indian Ocean — May
Within 300 km: Nosy Be's Festival Donia around 20 May – 15 Jun.