Climate guide for Nosy Be, Madagascar

Nosy Be in May

Weather, crowds & best time to visit

How to read the score (0–10)
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May · Madagascar

Best time to visit Nosy Be in May Weather, crowds & prices

Weather in Nosy Be in May

Average temperature 27°C, 62 mm of rain, about 24 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

8.8/10

Ranked #6 of 12 months

Full year for Nosy Be
Avg temp
27°C
Rainfall
62 mm
Humidity
75%
Days with 6h+ sun
24
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

May in Nosy Be scores 8.8/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 27°C, 62 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.

Perfume-island beaches and snorkel days peak in the dry June-September stretch.

May is one of the strongest months in Nosy Be (6th)

Days in May average 27°C (81°F) and humidity near 75% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

Budget for roughly 62 mm of rain this month — a flexible day or two helps — with about 24 days with 6+ hours of sunshine and 11.4 hours of daylight to work around it.

On our climate-comfort scale this is one of the strongest months of the year for Nosy Be at 8.8/10 (6th of 12), just behind October at 9.9/10.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

Expect mid-season pricing, and crowds are moderate.

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Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Nosy Be in May?
In May, Nosy Be averages 27°C, 62 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 8.8/10.
Is May a good time to visit Nosy Be?
May earns a 8.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Nosy Be in May?
Expect about 62 mm of rain in May. Average humidity is 75% and there are about 24 days with 6+ hours of sunshine.

Curated in Nosy Be

Tickets & experiences

Things to do in Nosy Be

Nosy Be, Madagascar. Live activities and tours from GetYourGuide, matched to this destination.