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Grand-Bourg Weather in August
Grand-Bourg in August sees high daytime temperatures of 29°C (84°F) and nighttime lows of 26°C (79°F). Rainfall is fairly high this month at around 139 mm (5.5 in), so pack a rain jacket to stay dry.
Rainfall in Grand-Bourg in August
Records from the past 30 years suggest around 19 days of rain, with 139 mm (5.5 in) average for the month. 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 Grand-Bourg in August
August in Grand-Bourg brings typical temperatures with highs around 29°C (84°F) and lows of 26°C (79°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 26°C (79°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 Grand-Bourg in August
There are approximately 240 hours of sunshine this month, resulting in mostly clear days.August in Grand-Bourg 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.
Grand-Bourg Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
64%
Precipitation
139 mm (5.5 in)
Rainy days
19 days
Humidity
71% *
Sunshine
240 hours *
Percentage Sunshine
*
* Data from: Douglas-Charles Airport, Dominica (39 KM, 24 Miles).
Grand-Bourg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grand-Bourg - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Grand-Bourg typically stay consistent throughout August, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Historical weather records for Grand-Bourg in August
Browse day-by-day weather records for Grand-Bourg spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grand-Bourg historical weather extremes in August
Based on weather observations in Grand-Bourg between 1987 and 2026, these are the recorded extremes during August.
- Grand-Bourg recorded its highest August temperature of 35°C (95°F) on August 8, 2023.
- On August 16, 1988, Grand-Bourg saw its coldest August day with temperatures maxing out at 26°C (79°F).
- Grand-Bourg registered its coldest August night on August 8, 1989, with temperatures dropping to 22°C (72°F).
Best Places in Guadeloupe in August
Find out more about the weather in Guadeloupe and which places have the best travel conditions in this month. See all of Guadeloupe in August →
perfect weather
pleasant
tolerable
unpleasant
poor
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).
What to Wear in Grand-Bourg in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Grand-Bourg in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Grand-Bourg 3-Day Forecast
More climate data for Grand-Bourg
Temperature Rainfall Sunshine Humidity
See the full Grand-Bourg climate overview or explore weather in Guadeloupe.
Popular in August
Where to go in August - average daytime high across popular destinations.
Bouillante
30°C (86°F) Sainte-Rose30°C (86°F) Capesterre-Belle-Eau29°C (84°F) Le Moule
29°C (84°F) Deshaies30°C (86°F) Sainte-Anne29°C (84°F) Le Gosier29°C (84°F) Saint-François
29°C (84°F) Bucket list
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