Koolbaai Weather in March

Thinking of visiting Koolbaai in March? Expect high temperatures reaching 27°C (81°F) during the day, dropping to 24°C (75°F) at night, with the driest conditions of the year.

Rainfall in Koolbaai in March

Expect the least amount of rain this month, providing an excellent opportunity for outdoor activities. Enjoy the clearest skies and driest conditions of the year. Based on our climate data of the past 30 years, about 13 days of rain are anticipated, with 32 mm (1.3 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Koolbaai in March

March is a good time to be in Koolbaai. Days are perfect, reaching 27°C (81°F), with nights around 24°C (75°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Koolbaai in March

Expect sunny days throughout the month, with an estimated 272 hours of sunshine. This makes it a pleasant time to visit Koolbaai.

Wind Speed in Koolbaai in March

Average wind conditions reach 5 m/s (10 knots) in March. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in March

The water is 26°C (79°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

If you favor pleasant temperatures and minimal rainfall, March is one of the best months to visit Koolbaai.

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Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Sint Maarten, check out our Koolbaai's climate page.

Koolbaai Temperature in March

Min Temperature 24°C (75°F)  

Max Temperature 27°C (81°F)  

Water Temperature 26°C (79°F) *  

Chance of Rain 43%  

Precipitation 32 mm (1.3 in)  

Rainy days 13 days  

Humidity 75% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 272 hours *  

Percentage Sunshine 72% *  

* Data from: Sint Maarten, Sint Maarten (4 KM, 2 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Koolbaai typically stay consistent throughout March, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 24°C (75°F).

Average temperatures in March

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Historical weather for Koolbaai in March

Browse day-by-day weather records for Koolbaai spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Koolbaai historical weather extremes in March

Based on 25 years of weather observations in Koolbaai between 2001 and 2026, these are the recorded extremes.

• The hottest March day on record in Koolbaai reached 32°C (90°F) (March 27, 2013).
• Koolbaai experienced its chilliest March day on March 7, 2010, reaching only 24°C (75°F).
• The coldest night in March in Koolbaai was on March 9, 2005, with a minimum of 19°C (66°F).

What to Wear in Koolbaai in March

Warm weather calls for comfortable, breathable clothing in March. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers. Expect water temperatures of around 26°C (79°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Koolbaai in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Sint Maarten, check out our Koolbaai's climate page.

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.