St Martin weather

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The weather guide for St Martin 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 St Martin?

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

Which month has the most rain in St Martin?

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

When is it sunniest in St Martin?

The sunniest time of year in St Martin 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 St Martin?

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

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

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Compare St Martin weather with the USA

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

Maximum daytime temperature (°C)

St Martin
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: St Martin hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
2.7%
4%
1.5%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The St Martin 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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