Sint Maarten weather in August 2025

Expect 31°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Sint Maarten in August. Check more long-term weather averages for Sint Maarten in August before you book your next holiday to Sint Maarten in 2025/2026.

  • 31°C maximum daytime temperature in August in Sint Maarten31
    31°C max day temperature
  • 9 hours of sunshine per day
  • 19 days with some rainfall in August in Sint Maarten19
    19 days with some rainfall
  • 25°C minimum night-time temperature in August in Sint Maarten25
    25°C min night temperature
  • 13 hours of daylight per day in August in Sint Maarten13
    13 hours of daylight per day
  • Very high heat & humidity in August in Sint MaartenVH
    Very High heat & humidity
  • 100 mm monthly rainfall in August in Sint Maarten100
    100 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Sint Maarten11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in Sint Maarten28
    28°C sea temperature

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The August 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 August?

Daytime temperatures usually reach 31°C in Sint Maarten in August with very high heat and humidity, falling to 25°C at night.

How sunny is it in Sint Maarten in August?

There are normally 9 hours of bright sunshine each day in Sint Maarten in August - that's 67% of daylight hours.

How warm is the sea around Sint Maarten in August?

The average sea temperature around Sint Maarten in August is 28°C.

Does it rain in Sint Maarten in August?

There are usually 19 days with some rain in Sint Maarten in August and the average monthly rainfall is 100mm.

What is the chance of a hurricane in Sint Maarten in August?

On average less than 1 day in August in Sint Maarten is likely to be affected by the passage of one or more tropical storms.

Sint Maarten August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:51 18:46
Saturday, 16th August 2025 05:55 18:38
Sunday, 31st August 2025 05:58 18:27

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