Cul de Sac Weather in August
With daytime temperatures of 30°C (86°F) and nighttime lows of 27°C (81°F), August in Cul de Sac brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 97 mm (3.8 in) falls on average.
Rainfall in Cul de Sac in August
Climate statistics over the past 30 years suggest around 19 days of rain, with 97 mm (3.8 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Cul de Sac in August
Cul de Sac in August gets highs of 30°C (86°F) during the day and drops to 27°C (81°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Cul de Sac in August
The month enjoys around 285 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in Cul de Sac in August
Wind speeds average 5 m/s (10 knots) during August. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.
Average water temperature in August
The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.Should you favor a climate that's both dry and comfortably warm, January, February, March, April, May, June, July and December typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Martin, check out our Cul de Sac's climate page.
Cul de Sac Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Water Temperature
28°C (82°F) *
Chance of Rain
63%
Precipitation
97 mm (3.8 in)
Rainy days
19 days
Humidity
76% *
Windspeed
5 m/s (10 knots) *
Sunshine
285 hours *
Percentage Sunshine
69% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cul de Sac typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in August
Historical weather for Cul de Sac in August
Browse day-by-day weather records for Cul de Sac spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cul de Sac historical weather extremes in August
Our historical data for Cul de Sac spans 1979 to 2025, revealing these weather extremes.
- The warmest day in August was on August 28, 1993, with a maximum of 36°C (97°F).
- On August 20, 1983, Cul de Sac saw its coldest August day with temperatures maxing out at 27°C (81°F).
- The coldest night in August in Cul de Sac was on August 2, 2011, with a minimum of 18°C (64°F).
Best Places in Saint Martin in August
Find out more about the weather in Saint Martin and which places have the best travel conditions in this month. See all of Saint Martin in August →
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What to Wear in Cul de Sac in August
Warm but pleasant conditions in Cul de Sac in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Cul de Sac in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Martin, check out our Cul de Sac's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Cul de Sac climate overview or explore weather in Saint Martin.
