Average monthly water temperature in Cul de Sac, Saint Martin
On this page you find the mean water temperature over the year in Cul de Sac (), Saint Martin. Discover the unique water temperature patterns, from its warmest to its coolest months.
Cul de Sac offers consistently warm water temperatures year-round. The warmest month, September, averages 29°C (84°F).
Even in the coolest water temperature month, January, the average temperature is 26°C (79°F). These conditions are perfect for water activities and relaxation throughout the year.
Cul de Sac Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cul de Sac - and find the best time to visit.
Cul de Sac 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Cul de Sac climate overview or explore weather in Saint Martin.
Popular this month
Where to go in September - average daytime high across popular destinations.
Baie Longue
30°C (86°F) Cul de Sac30°C (86°F) Marigot30°C (86°F) Grand Case30°C (86°F) Orient Bay French St Martin30°C (86°F) Les Terres Basses30°C (86°F) Baie Nettle30°C (86°F) Orient Bay30°C (86°F) 
