Saint-Joseph Weather in August
August in Saint-Joseph sees daytime temperatures around 30°C (86°F) and lows of 25°C (77°F) at night. With around 130 mm (5.1 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Saint-Joseph in August
Analyzing past climate data, one can expect approximately 22 days of rain, averaging 130 mm (5.1 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Saint-Joseph in August
August in Saint-Joseph brings typical temperatures with highs around 30°C (86°F) and lows of 25°C (77°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Saint-Joseph in August
With approximately 256 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Saint-Joseph in August
August has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.
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.August in Saint-Joseph has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Martinique, check out our Saint-Joseph's climate page.
Saint-Joseph Temperature in August
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Water Temperature
28°C (82°F) *
Chance of Rain
73%
Precipitation
130 mm (5.1 in)
Rainy days
22 days
Humidity
85% *
Windspeed
5 m/s (10 knots) *
Sunshine
256 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Saint-Joseph typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in August
Historical weather for Saint-Joseph in August
Browse day-by-day weather records for Saint-Joseph spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint-Joseph historical weather extremes in August
Our historical data for Saint-Joseph spans 1990 to 2025, revealing these weather extremes.
- The warmest day in August was on August 22, 2025, with a maximum of 34°C (93°F).
- Saint-Joseph experienced its chilliest August day on August 17, 1995, reaching only 26°C (79°F).
- Saint-Joseph registered its coldest August night on August 14, 1993, with temperatures dropping to 21°C (70°F).
Best Places in Martinique in August
Find out more about the weather in Martinique and which places have the best travel conditions in this month. See all of Martinique in August →
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What to Wear in Saint-Joseph in August
Warm but pleasant conditions in Saint-Joseph 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. 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.What To Do in Saint-Joseph 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 Martinique, check out our Saint-Joseph's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Saint-Joseph climate overview or explore weather in Martinique.
