Weather in Сен-Луи: What to Expect by Season

Сен-Луи enjoys a warm climate year-round, with distinct dry and rainy seasons. From November to May, the weather in Сен-Луи is dry and sunny, making it ideal for exploring the city’s historic streets and nearby beaches. The hottest months, October and November, see temperatures rise to 34.7 °C and 35.8 °C, but the heat is often tempered by ocean breezes.

The rainy season in Сен-Луи arrives in August and September, bringing short but intense downpours. While rainfall peaks in August with 165.1 mm, the rest of the year remains mostly dry, especially from February to April, when precipitation is nearly absent. Travelers visiting Сен-Луи during the wet months should pack light rain gear but can still expect plenty of sunshine between showers.

Temperatures in Сен-Луи stay warm throughout the year, with averages ranging from 23.8 °C in January to 29.5 °C in October. The coolest nights occur in January and February, when lows dip to 17.4 °C and 17.8 °C, but daytime highs still reach a comfortable 32.8 °C and 33.7 °C.

From June to October, Сен-Луи experiences its warmest period, with average temperatures climbing above 26 °C. The hottest month, October, sees highs of 34.7 °C and lows around 25.3 °C. Even during the rainy season, the heat remains consistent, though humidity can make it feel warmer. Travelers sensitive to heat may prefer visiting Сен-Луи in the cooler, drier months of December to March.

Сен-Луи is one of the driest cities in Senegal, with most of its annual rainfall concentrated in just a few months. The dry season, from November to June, sees almost no rain, with February and March recording just 0 mm and 0.1 mm respectively. This makes Сен-Луи a great destination for those looking to avoid wet weather.

Rainfall in Сен-Луи increases sharply in July, reaching 28 mm, before peaking in August with 165.1 mm. September also sees significant rain, with 109.8 mm, but by October, precipitation drops to 26.3 mm. While the rainy season brings lush greenery to the region, it’s worth noting that downpours are usually brief, and sunny skies return quickly.

For a trip to Сен-Луи during the dry season, lightweight clothing is essential. Pack breathable fabrics like cotton or linen to stay comfortable in temperatures that often exceed 30 °C. A wide-brimmed hat, sunglasses, and sunscreen are must-haves, especially for exploring the city’s open spaces or relaxing on the beach.

If visiting Сен-Луи in August or September, include a compact umbrella or a light rain jacket to handle sudden showers. While rain is infrequent outside these months, a light sweater may be useful for cooler evenings in January or February, when temperatures can drop to 17 °C. Comfortable walking shoes are recommended year-round, as Сен-Луи’s historic center is best explored on foot.