Sint Maarten weather by month & the best time to visit
Sint Maarten · beach resort · semi-arid climate
The best time to visit Sint Maarten is February — its sunniest month (Sunshine Score 95/100), with March and January close behind. Sint Maarten averages about 3,131 hours of sunshine a year. Daytime highs around 26°C / 79°F and roughly 12 mm of rain in February.
When is the best time to visit Sint Maarten?
For sunshine, the best time to visit Sint Maarten is February, then March and January. The dullest month is October (78/100, 108 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sint Maarten?
Sint Maarten is one of the sunniest places on Earth: about 3,131 hours of sunshine a year. February (95/100) is noticeably better than October (78). It is the only destination Sunshine Atlas tracks in Sint Maarten. Rain has a clear season: the wettest stretch, around October, carries about 45% of the annual 615 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 94 | 26° / 79°F | 25° / 77°F | 20 mm | 8 | 28° / 82°F |
| February | 95 | 26° / 79°F | 25° / 77°F | 12 mm | 9 | 27° / 81°F |
| March | 95 | 26° / 79°F | 25° / 77°F | 16 mm | 11 | 27° / 81°F |
| April | 93 | 27° / 81°F | 26° / 79°F | 26 mm | 11 | 28° / 82°F |
| May | 86 | 27° / 81°F | 27° / 81°F | 63 mm | 11 | 29° / 84°F |
| June | 90 | 28° / 82°F | 27° / 81°F | 42 mm | 10 | 30° / 86°F |
| July | 88 | 29° / 84°F | 28° / 82°F | 54 mm | 11 | 30° / 86°F |
| August | 86 | 29° / 84°F | 28° / 82°F | 66 mm | 11 | 30° / 86°F |
| September | 81 | 29° / 84°F | 28° / 82°F | 90 mm | 11 | 30° / 86°F |
| October | 78 | 29° / 84°F | 28° / 82°F | 108 mm | 9 | 31° / 88°F |
| November | 83 | 28° / 82°F | 27° / 81°F | 78 mm | 8 | 29° / 84°F |
| December | 90 | 27° / 81°F | 26° / 79°F | 40 mm | 7 | 29° / 84°F |
Sea temperature in Sint Maarten by month
The sea off Sint Maarten is warmest in October at around 31°C / 88°F, and coolest in February at 27°C / 81°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Head-to-head
How Sint Maarten compares month by month: Sint Maarten vs Antigua · Sint Maarten vs Charlotte Amalie · Sint Maarten vs Basseterre · Sint Maarten vs Christiansted · all comparisons
Sint Maarten: questions and answers
What kind of destination is Sint Maarten?
Sint Maarten is a beach resort in Sint Maarten with a semi-arid climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Sint Maarten get a year?
Sint Maarten gets about 3,131 hours of sunshine a year, at its best around February.
When is the best time to visit Sint Maarten?
The sunniest time to visit Sint Maarten is February, when the Sunshine Score peaks at 95/100 (with March and January close behind). Expect daytime highs around 26°C / 79°F.
What is the least sunny month in Sint Maarten?
October is the least sunny month in Sint Maarten, scoring 78/100 with about 108 mm of rain.
What is the sea temperature in Sint Maarten?
The sea in Sint Maarten ranges from about 27°C (February) to 31°C (October). Month-by-month sea temperatures are on this page.
How strong is the sun in Sint Maarten?
The typical midday UV index in Sint Maarten peaks around 11 (extreme) in March, easing to about 7 (high) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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