St Barthelemy weather in January 2025

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

Daytime temperatures usually reach 29°C in St Barthelemy in January with moderate heat and humidity, falling to 23°C at night.

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

There are normally 8 hours of bright sunshine each day in St Barthelemy in January - that's 75% of daylight hours.

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

The average sea temperature around St Barthelemy in January is 26°C.

Q: Does it rain in St Barthelemy in January?

There are usually 17 days with some rain in St Barthelemy in January and the average monthly rainfall is 63mm.

Expect 84°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Barthelemy in January. Check more long-term weather averages for St Barthelemy in January before you book your next holiday to St Barthelemy in 2025/2026.

84
84°F max day temperature
8
8 hours of sunshine per day
17
17 days with some rainfall
73
73°F min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
2.5
2.5 inches of monthly rainfall
8
8 (Very High) UV index
79
79°F sea temperature

More about St Barthelemy

St Barthelemy by month

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

Recommended for St Barthelemy

Marella Cruises: up to 5% off ocean cruises

Sale

Book online & save up to 5% on Marella Cruises
Discount varies by season. Book online with TUI
Destinations across the Med, Caribbean & USA

Go to Marella Cruises deal >>

View all Marella Cruises offers

Cruise deal finder

Destination

The January 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) | Imperial (°F)

How hot is it in St Barthelemy in January?

Daytime temperatures usually reach 84°F in St Barthelemy in January with moderate heat and humidity, falling to 73°F at night.

How sunny is it in St Barthelemy in January?

There are normally 8 hours of bright sunshine each day in St Barthelemy in January - that's 75% of daylight hours.

How warm is the sea around St Barthelemy in January?

The average sea temperature around St Barthelemy in January is 79°F.

Does it rain in St Barthelemy in January?

There are usually 17 days with some rain in St Barthelemy in January and the average monthly rainfall is 2.5 inches.

St Barthelemy January sunrise & sunset times

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

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