Cul de Sac Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cul de Sac.
Climate overview of Cul de Sac
Cul de Sac, Saint Martin, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 28°C (82°F), peaking in August at 30°C (86°F) and dipping in February to 27°C (81°F).
Annual rainfall is moderate at around 918 mm (36 in), with October being the wettest month. The city also has a distinct dry season from February to March. Sunshine peaks in August, when the city sees around 9.5 hours of sunshine per day.
Cul de Sac Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cul de Sac - and find the best time to visit.
Monthly Temperature in Cul de Sac
With minimal seasonal shifts, Cul de Sac experiences a constant climate year-round. Average daytime temperatures reach a comfortable 30°C (86°F) in August. In February, the coolest month of the year, temperatures drop to a comfortable 27°C (81°F).
At night, temperatures range from around 27°C (81°F) in August to 24°C (75°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cul de Sac
Generally, Cul de Sac receives mid-range precipitation levels, with 918 mm (36 in) annually. Cul de Sac can be quite wet during October, receiving approximately 139 mm (5.5 in) of precipitation over 20 rainy days.
In contrast, during the driest month (March), you will experience much drier conditions, with 32 mm (1.3 in) of precipitation spread across 13 rainy days. For more details, please visit our Cul de Sac 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 Cul de Sac
Despite minor fluctuations, Cul de Sac enjoys a fairly consistent amount of sunshine throughout the year. In August, you can expect approximately 9.5 hours of daily sunshine, while even in September, Cul de Sac still receives about 7.7 hours.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Cul de Sac
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
Humidity in Cul de Sac by Month
The relative humidity is high throughout the year in Cul de Sac.
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
Wind Speed in Cul de Sac
The mean wind speed varies between 4 m/s (8 knots) and 5 m/s (10 knots) throughout the year. It is lowest in October and November and highest during 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)
Best Time to Visit Cul de Sac
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- 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 February to March
Frequently asked questions about the climate in Cul de Sac
What is the best time to visit Cul de Sac?
January, February, March, April, May, June, July and December typically offer the most optimal weather in Cul de Sac. In contrast, September tends to have less optimal conditions. Cul de Sac has a distinct dry season from February to March.
What temperatures can I expect in Cul de Sac?
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 Cul de Sac get?
Annual rainfall is around 918 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 Cul de Sac?
Cul de Sac 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, Cul de Sac enjoys abundant sunshine.
Cul de Sac 3-Day Forecast
Cul de Sac on the map
Cul de Sac is highlighted - select any city to see its climate.
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