St Maarten, Sint Maarten

St Maarten sits at a tropical latitude in Sint Maarten, and the 2015–2024 weather record gives its sunshine a clear shape: the January peak reaches a 94/100 sun score, with daytime highs around 26°C — a solid base for a beach trip.

Across a typical year, afternoon temperatures swing between 26°C (February) and 29°C (September). Rain is most likely in September, when about 56% of days see meaningful rainfall, and least likely in March (24%). The genuinely warm window — average highs of 24°C or better — covers January–December.

Averaged by season, sun scores land at 94 for spring, 92 for summer, 87 for autumn and 93 for winter — with typical afternoons of 26°, 28°, 28° and 26°C respectively. In short: plan around spring if you can, keep winter as the fallback, and go into autumn with managed expectations (its season score is 87). A practical compromise is December — the edge of the warm window, averaging 27°C with a 92 sun score.

Best months to visit St Maarten

Ranked purely on sunshine odds, the podium is January at 94/100, then March at 94 and April at 94. The dependable window is wider than the podium, though: January–December all score 70 or better. The month to avoid on pure weather odds is November (86/100).

Among the tropical destinations in our catalog, its January rain odds beat 54% of the field.

Month-by-month breakdown for St Maarten → · More destinations for January →

As of the latest refresh, St Maarten's next 15 days span 25°C to 30°C; 8 days look mostly sunny while 3 look likely to be wet — a live sun score of 94/100.