Sint Maarten weather in May 2025

Expect 30°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Sint Maarten in May. Check more long-term weather averages for Sint Maarten in May before you book your next holiday to Sint Maarten in 2025/2026.

  • 30°C maximum daytime temperature in May in Sint Maarten30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in May in Sint Maarten15
    15 days with some rainfall
  • 24°C minimum night-time temperature in May in Sint Maarten24
    24°C min night temperature
  • 13 hours of daylight per day in May in Sint Maarten13
    13 hours of daylight per day
  • High heat & humidity in May in Sint MaartenH
    High heat & humidity
  • 95 mm monthly rainfall in May in Sint Maarten95
    95 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Sint Maarten11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in Sint Maarten27
    27°C sea temperature

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The May weather guide for Sint Maarten shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Sint Maarten in May?

Daytime temperatures usually reach 30°C in Sint Maarten in May with high heat and humidity, falling to 24°C at night.

How sunny is it in Sint Maarten in May?

There are normally 8 hours of bright sunshine each day in Sint Maarten in May - that's 62% of daylight hours.

How warm is the sea around Sint Maarten in May?

The average sea temperature around Sint Maarten in May is 27°C.

Does it rain in Sint Maarten in May?

There are usually 15 days with some rain in Sint Maarten in May and the average monthly rainfall is 95mm.

Sint Maarten May sunrise & sunset times

Browse the sunrise and sunset times for Sint Maarten in May 2025. Select a month to view Sint Maarten sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:45 18:33
Friday, 16th May 2025 05:39 18:39
Saturday, 31st May 2025 05:36 18:44

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