Visit the Rainbow Mountains
The Rainbow Mountain (Vinicunca) is acolored rainbow mountain that will steal your heart forever and the view from the top will take your breath away.
Average monthly water temperature in Koolbaai, Sint Maarten
On this page you find the mean water temperature over the year in Koolbaai (), Sint Maarten. Dive into the water temperature trends, highlighting the best times for swimming and other activities.
Data from: Sint Maarten, Sint Maarten (4 KM, 2 Miles).
Water temperatures in Koolbaai remain warm year-round, perfect for aquatic activities. The warmest month, September, has an average temperature of 29°C (84°F).
The coolest water temperature month is January, averaging 26°C (79°F). Whether you’re swimming or just enjoying the water, Koolbaai offers ideal conditions year-round.
Koolbaai Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Koolbaai - and find the best time to visit.
Koolbaai 3-Day Forecast
More climate data for Koolbaai
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Koolbaai climate overview or explore weather in Sint Maarten.
Popular in October
Where to go in October - average daytime high across popular destinations.
Cupecoy
29°C (84°F) Maho Reef29°C (84°F) Koolbaai29°C (84°F) Dawn Beach29°C (84°F) Philipsburg29°C (84°F) Simpson Bay29°C (84°F) Lowlands29°C (84°F) Upper Princeʼs Quarter29°C (84°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Visit the Rainbow Mountains
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