Average monthly water temperature in Cupecoy, Sint Maarten
On this page you find the mean water temperature over the year in Cupecoy (), Sint Maarten. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.
Cupecoy 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.
Cupecoy Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cupecoy - and find the best time to visit.
Cupecoy 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Cupecoy climate overview or explore weather in Sint Maarten.
Popular this month
Where to go in September - average daytime high across popular destinations.
Cupecoy
30°C (86°F) Maho Reef30°C (86°F) Koolbaai30°C (86°F) Dawn Beach30°C (86°F) Philipsburg30°C (86°F) Simpson Bay30°C (86°F) Lowlands30°C (86°F) Upper Princeʼs Quarter30°C (86°F) 
