Saint Martin
Beginner-friendly
Best conditions around August 24
Dual-flag French/Dutch base with quick hops to Anguilla and St Barts.
Best time to sail
Best time to sail in St. Martin
The best time to sail in St. Martin is November to June, with peak conditions in December and January.
That verdict comes from 1991–2020 climate normals — wind, rain, sunshine, and air temperature — scored week by week for charter conditions across 1 sailing area.
Sailing conditions in St. Martin, month by month
Mean weekly values across our sailing areas in St. Martin. The sail score weighs wind, rain, sun, and temperature — and discounts tropical-storm season where one applies.
Temperature (°C)
- Air
- Water
Wind (kn)
Rain (mm/day)
Sun (h/day)
| Month | Sail score | Wind (kn) | Rain (mm/day) | Sun (h/day) | Temp (°C) | Water (°C) |
|---|---|---|---|---|---|---|
| January | Excellent | 15 | 1.1 | 12 | 23 | 27 |
| February | Excellent | 14 | 0.7 | 12 | 23 | 26 |
| March | Excellent | 14 | 0.9 | 12 | 23 | 27 |
| April | Excellent | 13 | 1.2 | 12 | 24 | 27 |
| May | Excellent | 13 | 2.5 | 12 | 24 | 28 |
| June * | Excellent | 14 | 1.9 | 12 | 25 | 29 |
| July * | Fair | 15 | 2 | 12 | 25 | 29 |
| August * | Poor | 14 | 3.1 | 12 | 26 | 30 |
| September * | Poor | 13 | 3.8 | 12 | 26 | 30 |
| October * | Poor | 11 | 4.2 | 12 | 25 | 30 |
| November * | Excellent | 12 | 3.1 | 12 | 25 | 29 |
| December | Excellent | 13 | 1.5 | 12 | 24 | 28 |
Months marked * fall inside the tropical-storm season.
Tropical storm season: June to November
Parts of St. Martin sit inside a tropical-cyclone basin. Monthly climate averages smooth over rare but severe storms, so the sail score discounts the weeks from June to November. Check cancellation terms, insurance, and your operator's storm policy before booking inside this window.
Sailing areas in St. Martin
Every area below is scored individually in the interactive calendar; where we have an in-depth guide, it's linked.
Frequently asked questions
When is the best time to sail in St. Martin?
November to June offers the most reliable conditions, with December and January scoring best for wind, rain, sunshine, and temperature in the 1991–2020 climate normals.
When is the cheapest time to charter in St. Martin?
The shoulder months — November and June — usually combine good sailing conditions with fewer crowds and lower charter prices than the peak in December and January.
When is tropical storm season in St. Martin?
From June to November. Climate averages hide rare but severe storms, so treat this window with care: check cancellation terms and weather routing before booking.
How warm is it in St. Martin in December?
Around 24 °C air temperature on average in December, with about 12 hours of sun a day.
How warm is the water in St. Martin in December?
Around 28 °C sea-surface temperature on average in December, based on 2023–2025 marine averages.