Sint Maarten weather

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The weather guide for Sint Maarten shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Which is the hottest month in Sint Maarten?

The hottest time of year in Sint Maarten is normally September. Expect maximum daytime temperatures to reach 31°C with very high heat and humidity.

Which month has the most rain in Sint Maarten?

In terms of rainfall, September is usually the wettest month in Sint Maarten with 129mm on average. There are normally 19 days in September with some rain.

When is it sunniest in Sint Maarten?

The sunniest time of year in Sint Maarten is normally January with bright sunshine on average for 75% of daylight hours; that's 8 hours of sunshine per day.

When is the sea warmest in Sint Maarten?

The sea is usually at its warmest in Sint Maarten in September when the water temperature reaches 29°C.

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

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Compare Sint Maarten weather with the USA

Below the Sint Maarten weather chart shows average maximum daytime temperature for Sint Maarten and the USA (Washington).

Maximum daytime temperature (°C)

Sint Maarten
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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Tropical storm risk: Sint Maarten hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
2.7%
3.9%
1.5%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The Sint Maarten tropical storm risk chart above shows the hurricane season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

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