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
- 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.
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.

