Simpson Bay Weather in August
August in Simpson Bay brings high temperatures, with daytime highs of 30°C (86°F) and nights around 27°C (81°F). Quite a bit of rainfall is expected, around 97 mm (3.8 in), so pack an umbrella.
Rainfall in Simpson Bay in August
Analyzing past climate data, one can expect approximately 19 days of rain, averaging 97 mm (3.8 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Simpson Bay in August
Daytime highs in Simpson Bay in August reach 30°C (86°F), with nights around 27°C (81°F). This kind of day-to-night contrast is typical for this time of year. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Simpson Bay in August
Enjoy a sunny month with about 285 hours of sunshine, the clear skies make Simpson Bay even more beautiful.
Wind Speed in Simpson Bay 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
At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you prefer dry days with pleasant temperatures, January, February, March, April, May, June, July and December typically offer the best 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 Sint Maarten, check out our Simpson Bay's climate page.
Simpson Bay 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 Simpson Bay 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 Simpson Bay in August
Browse day-by-day weather records for Simpson Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Simpson Bay historical weather extremes in August
Based on 46 years of weather observations (1979-2025), these are the most extreme conditions recorded in Simpson Bay.
- The warmest day in August was on August 28, 1993, with a maximum of 37°C (99°F).
- The coldest August day was on August 20, 1983, with a maximum of 27°C (81°F).
- Nighttime temperatures dropped to 18°C (64°F) on August 2, 2011, marking the coldest August night on record.
Best Places in Sint Maarten in August
Find out more about the weather in Sint Maarten and which places have the best travel conditions in this month. See all of Sint Maarten in August →
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What to Wear in Simpson Bay in August
Warm but pleasant conditions in Simpson Bay 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 Simpson Bay 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 Sint Maarten, check out our Simpson Bay's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Simpson Bay climate overview or explore weather in Sint Maarten.
