Saint Martin Weather in August
During August, Saint Martin experiences high daytime temperatures of 30°C (86°F) and cooler nights around 27°C (81°F). Expect quite a bit of rainfall. Around 97 mm (3.8 in) is typical.
Rainfall in Saint Martin 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 Saint Martin in August
In August, expect high temperatures in Saint Martin, with highs of 30°C (86°F) and lows of 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 Saint Martin in August
The month enjoys around 285 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in Saint Martin in August
Average wind conditions reach 5 m/s (10 knots) in August. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.
Average water temperature in August
The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, July and December typically offer the best weather for Saint Martin.
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 Saint Martin's climate page.
Saint Martin 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 Saint Martin 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 Saint Martin in August
Browse day-by-day weather records for Saint Martin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint Martin historical weather extremes in August
Our historical data for Saint Martin spans 1979 to 2025, revealing these weather extremes.
- The warmest day in August was on August 28, 1993, with a maximum of 37°C (99°F).
- Saint Martin experienced its chilliest August day on August 20, 1983, reaching only 27°C (81°F).
- Saint Martin registered its coldest August night on August 2, 2011, with temperatures dropping to 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 Saint Martin in August
Warm but pleasant conditions in Saint Martin 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. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Saint Martin 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 Saint Martin's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Saint Martin climate overview or explore weather in Saint Martin.
