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Saint Martin Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint Martin.
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10-day forecastForecast
Climate overview of Saint Martin
With consistently stable weather, Saint Martin, Saint Martin, sees little seasonal temperature change. Daytime highs average 28°C (82°F), ranging from 30°C (86°F) in August to 27°C (81°F) in February.
With around 917 mm (36 in) of annual rainfall, the city has moderate precipitation levels. October is the wettest month and March the driest. It also has a distinct dry season from January to March. Sunshine peaks in August, when the city sees around 9.5 hours of sunshine per day.
Saint Martin Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint Martin - and find the best time to visit.
Monthly Temperature in Saint Martin
The climate in Saint Martin remains fairly constant, offering comfortable temperatures throughout the year. Typically, average maximum daytime temperatures range from a comfortable 30°C (86°F) in August to a comfortable 27°C (81°F) in the coolest month, February.
Nights vary from 27°C (81°F) in August to around 24°C (75°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint Martin
Generally, Saint Martin experiences moderate precipitation patterns, averaging 917 mm (36 in) yearly. The climate in Saint Martin shows significant variation throughout the year. Expect high rainfall in October, the wettest month, with an average of 139 mm (5.5 in) of precipitation over 20 rainy days.
In contrast, the driest month March offers drier and sunnier days, with around 32 mm (1.3 in) of rainfall over 13 rainy days. For more details, please visit our Saint Martin Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Saint Martin
If you're planning a trip to Saint Martin, rest assured that sunshine is an important factor. With peak sunshine in August at 9.5 hours daily and a slight dip to 7.7 hours in September, it maintains a sunny destination year-round.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Sint Maarten, Sint Maarten (5 KM, 3 Miles).
Daily hours of sunshine
Data from: Sint Maarten, Sint Maarten (5 KM, 3 Miles).
Daily percentage of sunshine
Data from: Sint Maarten, Sint Maarten (5 KM, 3 Miles).
Water Temperature in Saint Martin
The mean water temperature over the year ranges from 26°C (79°F) in January to 29°C (84°F) in September.
Water temperature over the year
Data from: Sint Maarten, Sint Maarten (5 KM, 3 Miles).
Humidity in Saint Martin by Month
The relative humidity is high throughout the year in Saint Martin.
The city experiences its highest humidity in October, reaching 80%. In February, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Sint Maarten, Sint Maarten (5 KM, 3 Miles).
Wind Speed in Saint Martin
The mean wind speed over the year ranges from 4 m/s (8 knots) in October and November to 5 m/s (10 knots) in January, February, March, April, May, June, July, August, September and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Sint Maarten, Sint Maarten (5 KM, 3 Miles).
Best Time to Visit Saint Martin
The most comfortable overall weather for exploring Saint Martin is usually found in January, February, March, April, May, June, July and December. Conditions are generally least comfortable in September.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
excellent
May
excellent
Jun
excellent
Jul
excellent
Aug
good
Sep
mixed
Oct
very good
Nov
very good
Dec
excellent
- Best overall: January, February, March, April, May, June, July and December
- Warmest weather: May, June, July, August, September, October and November
- Most sunshine: March and August
- Fewer rainy days: February, March, April, May and June
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
- Wettest months: July, August, September, October and November, when rainfall is highest.
- Seasonal pattern: A distinct dry season from January to March
Frequently asked questions about the climate in Saint Martin
What is the best time to visit Saint Martin?
January, February, March, April, May, June, July and December typically offer the most optimal weather in Saint Martin. In contrast, September tends to have less optimal conditions. Saint Martin has a distinct dry season from January to March.
What temperatures can I expect in Saint Martin?
Daytime highs range from 27°C (81°F) in February to 30°C (86°F) in August. Nighttime lows range from 24°C (75°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Saint Martin get?
Annual rainfall is around 917 mm (36 in). October is the wettest month with 139 mm (5.5 in), while March is the driest with 32 mm (1.3 in).
How sunny is Saint Martin?
Saint Martin receives around 3,023 hours of sunshine per year. August is the sunniest month with 285 hours, while September is the cloudiest with just 232 hours. Overall, Saint Martin enjoys abundant sunshine.
Saint Martin 3-Day Forecast
Saint Martin on the map
Saint Martin is highlighted - select any city to see its climate.
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