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August in Happy Bay brings high temperatures around 30°C (86°F) during the day, dropping to 27°C (81°F) at night, with quite a bit of rainfall expected, averaging around 97 mm (3.8 in) for the month.
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.
Pick a month to see the average temperature, rainfall and sunshine in Happy Bay - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Happy 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).
Browse day-by-day weather records for Happy Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Happy Bay from 1979 through 2026.
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 →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Happy Bay climate overview or explore weather in Saint Martin.
Where to go in August - average daytime high across popular destinations.
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