Saint-Louis Weather in August

August in Saint-Louis brings high temperatures, with highs of 26°C (79°F) and nights dropping to 14°C (57°F). Rainfall is on the higher side this month, averaging around 113 mm (4.4 in), so keep a rain jacket handy.

Rainfall in Saint-Louis in August

You can expect rain on around 15 days based on historical patterns, with 113 mm (4.4 in) average for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Saint-Louis in August

Temperatures in Saint-Louis in August top out at 26°C (79°F) and drop to 14°C (57°F) overnight. This month falls in the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Saint-Louis in August

The city usually sees around 216 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Saint-Louis.

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For a detailed overview over the year and the best time to visit France, check out our Saint-Louis's climate page.

Saint-Louis Temperature in August

Min Temperature 14°C (57°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 50%  

Precipitation 113 mm (4.4 in)  

Rainy days 15 days  

Humidity 72% *  

Sunshine 216 hours *  

Percentage Sunshine 55% *  

* Data from: Basel, Switzerland (3 KM, 2 Miles).

What to Wear in Saint-Louis in August

Warm but pleasant conditions in Saint-Louis 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. 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.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Saint-Louis's climate page.

More climate data for Saint-Louis

Temperature Rainfall Sunshine Humidity

See the full Saint-Louis climate overview or explore weather in France.