St Barthelemy weather in October 2025

Q: How hot is it in St Barthelemy in October?

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

Q: How sunny is it in St Barthelemy in October?

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

Q: How warm is the sea around St Barthelemy in October?

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

Q: Does it rain in St Barthelemy in October?

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

Q: What is the chance of a hurricane in St Barthelemy in October?

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

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

31
31°C max day temperature
8
8 hours of sunshine per day
20
20 days with some rainfall
25
25°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
109
109 mm of monthly rainfall
10
10 (Very High) UV index
29
29°C sea temperature

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The October weather guide for St Barthelemy 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)

How hot is it in St Barthelemy in October?

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

How sunny is it in St Barthelemy in October?

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

How warm is the sea around St Barthelemy in October?

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

Does it rain in St Barthelemy in October?

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

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

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

St Barthelemy October sunrise & sunset times

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

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