Sint Maarten Weather in May
Sint Maarten in May averages 28°C (82°F) during the day and 26°C (79°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Sint Maarten in May
The climate data from previous years indicates about 15 days of rain, averaging 74 mm (2.9 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Sint Maarten in May
Sint Maarten in May is worth a visit. The temperature is perfect, with 28°C (82°F) during the day and 26°C (79°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights stay warm at around 26°C (79°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Sint Maarten in May
Expect sunny days throughout the month, with an estimated 250 hours of sunshine. This makes it a pleasant time to visit Sint Maarten.
Wind Speed in Sint Maarten in May
May has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.
Average water temperature in May
At 27°C (81°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May, June, July and December typically offer the best circumstances for Sint Maarten.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sint Maarten, check out our Sint Maarten's climate page.
Sint Maarten Temperature in May
Min Temperature
26°C (79°F)
Max Temperature
28°C (82°F)
Water Temperature
27°C (81°F)
Chance of Rain
50%
Precipitation
74 mm (2.9 in)
Rainy days
15 days
Humidity
77%
Windspeed
5 m/s (10 knots)
Sunshine
250 hours
Percentage Sunshine
65%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sint Maarten typically stay consistent throughout May, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in May
Historical weather for Sint Maarten in May
Browse day-by-day weather records for Sint Maarten spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sint Maarten historical weather extremes in May
Based on 45 years of weather observations in Sint Maarten between 1981 and 2026, these are the recorded extremes.
- On May 9, 1993, temperatures climbed to 34°C (93°F), marking the warmest May day on record.
- The coldest May day was on May 11, 1986, with a maximum of 25°C (77°F).
- The lowest overnight temperature recorded in May was 20°C (68°F) (May 11, 1986).
Best Places in Sint Maarten in May
Find out more about the weather in Sint Maarten and which places have the best travel conditions in this month. See all of Sint Maarten in May →
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What to Wear in Sint Maarten in May
Warm weather calls for comfortable, breathable clothing in May. 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). Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 27°C (81°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Sint Maarten in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sint Maarten, check out our Sint Maarten's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Sint Maarten climate overview or explore weather in Sint Maarten.
