St Martin weather in October 2025

Expect 31°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Martin in October. Check more long-term weather averages for St Martin in October before you book your next holiday to St Martin in 2025/2026.

  • 31°C maximum daytime temperature in October in St Martin31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 20 days with some rainfall in October in St Martin20
    20 days with some rainfall
  • 25°C minimum night-time temperature in October in St Martin25
    25°C min night temperature
  • 12 hours of daylight per day in October in St Martin12
    12 hours of daylight per day
  • Very high heat & humidity in October in St MartinVH
    Very High heat & humidity
  • 109 mm monthly rainfall in October in St Martin109
    109 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in October in St Martin10
    10 (Very High) UV index
  • 29°C sea temperature in October in St Martin29
    29°C sea temperature

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The October weather guide for St Martin 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 St Martin in October?

Daytime temperatures usually reach 31°C in St Martin in October with very high heat and humidity, falling to 25°C at night.

How sunny is it in St Martin in October?

There are normally 8 hours of bright sunshine each day in St Martin in October - that's 66% of daylight hours.

How warm is the sea around St Martin in October?

The average sea temperature around St Martin in October is 29°C.

Does it rain in St Martin in October?

There are usually 20 days with some rain in St Martin in October and the average monthly rainfall is 109mm.

What is the chance of a hurricane in St Martin in October?

On average less than 1 day in October in St Martin is likely to be affected by the passage of one or more tropical storms.

St Martin October sunrise & sunset times

Browse the sunrise and sunset times for St Martin in October 2025. Select a month to view St Martin sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:03 18:01
Thursday, 16th October 2025 06:06 17:49
Friday, 31st October 2025 06:11 17:40

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