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.
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.
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.
Pick a month to see the average temperature, rainfall and sunshine in Sint Maarten - and find the best time to visit.
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).
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.
Based on 45 years of weather observations in Sint Maarten between 1981 and 2026, these are the recorded extremes.
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 →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Sint Maarten climate overview or explore weather in Sint Maarten.
Where to go in May - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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.
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