Swimming in Saint-Barthelemy in december 2025 Sea temperature by city in december
Do you want to go to the beach in Saint-Barthelemy in december 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in december in Saint-Barthelemy by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Saint-Barthelemy in december 2025
Here, find the average sea temperature in Saint-Barthelemy in december in several coastal cities.
82°F
min: 81°F / max: 83°F
Grand Cul-de-Sac
82°F
min: 81°F / max: 83°F
Colombier (Saint-Barth)
82°F
min: 80°F / max: 83°F
Chevreau Island
82°F
min: 81°F / max: 83°F
Fourchue Island
82°F
min: 81°F / max: 83°F
Frégate Island
82°F
min: 81°F / max: 83°F
Nikki Beach
82°F
min: 80°F / max: 83°F
Where should you go swimming in Saint-Barthelemy in the month of december?
Swimming in Saint-Barthelemy in december is ideal
In december in Saint-Barthelemy swimming conditions are generally the same everywhere.
In december in Gustavia, Grand Cul-de-Sac, Colombier (Saint-Barth), Chevreau Island, Fourchue Island, Frégate Island and Nikki Beach, swimming conditions are perfect! With water reaching a maximum of 83°F and an average of 82°F, going in the water (and staying there!) feels great.
Where to go swimming in Saint-Barthelemy in december: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in december
Gustavia
| December | |||
| Average sea temperature | 82°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 83°F | ||
| Average outside temperature | 81°F | ||
| Maximum outside temperature | 83°F | ||
| Minimum outside temperature | 81°F | ||
| Precipitation | 4.4in | ||
| Number of days of precipitation | 7 jour(s) (21%) | ||
| Cloud cover | 37% | ||
| Our opinion | ideal swimming |
More information on swimming in Gustavia in december
Grand Cul-de-Sac
| December | |||
| Average sea temperature | 82°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 83°F | ||
| Average outside temperature | 81°F | ||
| Maximum outside temperature | 83°F | ||
| Minimum outside temperature | 81°F | ||
| Precipitation | 4.4in | ||
| Number of days of precipitation | 7 jour(s) (21%) | ||
| Cloud cover | 37% | ||
| Our opinion | ideal swimming |
Colombier (Saint-Barth)
| December | |||
| Average sea temperature | 82°F | ||
| Minimum sea temperature | 80°F | ||
| Maximum sea temperature | 83°F | ||
| Average outside temperature | 81°F | ||
| Maximum outside temperature | 83°F | ||
| Minimum outside temperature | 81°F | ||
| Precipitation | 4.4in | ||
| Number of days of precipitation | 7 jour(s) (21%) | ||
| Cloud cover | 37% | ||
| Our opinion | ideal swimming |
Chevreau Island
| December | |||
| Average sea temperature | 82°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 83°F | ||
| Average outside temperature | 81°F | ||
| Maximum outside temperature | 83°F | ||
| Minimum outside temperature | 81°F | ||
| Precipitation | 4.4in | ||
| Number of days of precipitation | 7 jour(s) (21%) | ||
| Cloud cover | 37% | ||
| Our opinion | ideal swimming |
Fourchue Island
| December | |||
| Average sea temperature | 82°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 83°F | ||
| Average outside temperature | 81°F | ||
| Maximum outside temperature | 83°F | ||
| Minimum outside temperature | 81°F | ||
| Precipitation | 4.4in | ||
| Number of days of precipitation | 7 jour(s) (21%) | ||
| Cloud cover | 37% | ||
| Our opinion | ideal swimming |
List of coastal cities in Saint-Barthelemy
| Gustavia in december | ideal swimming |
| Grand Cul-de-Sac in december | ideal swimming |
| Colombier (Saint-Barth) in december | ideal swimming |
| Chevreau Island in december | ideal swimming |
| Fourchue Island in december | ideal swimming |
| Frégate Island in december | ideal swimming |
| Nikki Beach in december | ideal swimming |