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Saint-Louis Weather in August
With daytime temperatures of 29°C (84°F) and nighttime lows of 26°C (79°F), August in Saint-Louis brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 142 mm (5.6 in) falls on average.
Rainfall in Saint-Louis in August
Typically around 19 days of rainfall are expected, averaging 142 mm (5.6 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Saint-Louis in August
In August, Saint-Louis sees high temperatures, with highs of 29°C (84°F). Nights drop to around 26°C (79°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 26°C (79°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.
Sunshine in Saint-Louis in August
The city usually sees around 248 hours of sunlight, indicating many sunny days , a great month for sightseeing.August in Saint-Louis has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Saint-Louis Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
64%
Precipitation
142 mm (5.6 in)
Rainy days
19 days
Humidity
81% *
Sunshine
248 hours *
Percentage Sunshine
*
* Data from: Guadeloupe, Guadeloupe (41 KM, 25 Miles).
Saint-Louis Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Louis - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Saint-Louis 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 Saint-Louis in August
Browse day-by-day weather records for Saint-Louis spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint-Louis historical weather extremes in August
According to our 39 years of weather records for Saint-Louis, the following extremes were recorded between 1987 and 2026.
- The warmest day in August was on August 27, 2002, with a maximum of 34°C (93°F).
- Saint-Louis experienced its chilliest August day on August 8, 2014, reaching only 26°C (79°F).
- The lowest overnight temperature recorded in August was 22°C (72°F) (August 8, 1989).
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 Saint-Louis in August
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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Saint-Louis in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Saint-Louis 3-Day Forecast
More climate data for Saint-Louis
Temperature Rainfall Sunshine Humidity
See the full Saint-Louis 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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