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Saint-Louis Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint-Louis.
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Climate overview of Saint-Louis
The climate in Saint-Louis, Senegal, is remarkably consistent, with temperatures year-round averaging 30°C (86°F). The warmest month is October at 33°C (91°F), and the coolest is January at 28°C (82°F).
The city has an arid climate, receiving only 155 mm (6.1 in) of rainfall per year. April is the sunniest month, averaging 9.5 hours of sunshine per day.
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.
Monthly Temperature in Saint-Louis
In Saint-Louis temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 33°C (91°F) in October to a comfortable 28°C (82°F) in January.
Nighttime temperatures range from 27°C (81°F) in October to 19°C (66°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint-Louis
Saint-Louis sits in an arid zone with minimal moisture, averaging 155 mm (6.1 in) of rainfall per year. The seasons in Saint-Louis bring significant changes in precipitation. The wettest month, August, receives moderate rainfall, with an average of 62 mm (2.4 in) of precipitation. This rainfall is distributed across 6 rainy days.
In contrast, the driest month, April, experiences much less rainfall, totaling 0.1 mm (0 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Saint-Louis Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Saint-Louis
Saint-Louis enjoys sunny spells year-round. April sees up to 9.5 hours of daily sunshine, perfect for a sunny trip. June, the least sunny month, still offers a generous 7.4 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Saint-Louis by Month
The relative humidity is high throughout the year in Saint-Louis.
The city experiences its highest humidity in August, reaching 81%. In January, the humidity drops to its lowest level at 44%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Saint-Louis
The average wind speed over the year ranges from 3 m/s (6 knots) to 6 m/s (12 knots). It is lower in August and higher in March. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Saint-Louis
For comfortable weather, consider visiting Saint-Louis in January, February, March, April, May, June and December. Conditions are usually least favourable in August, September and October.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
excellent
May
excellent
Jun
excellent
Jul
very good
Aug
good
Sep
good
Oct
good
Nov
very good
Dec
excellent
- Best overall: January, February, March, April, May, June and December
- Warmest weather: September, October and November
- Most sunshine: March, April and May
- Seasonal pattern: A distinct dry season from October to July
Frequently asked questions about the climate in Saint-Louis
What is the best time to visit Saint-Louis?
January, February, March, April, May, June and December typically offer the most optimal weather in Saint-Louis. In contrast, August, September and October tend to have less optimal conditions. Saint-Louis has a distinct dry season from October to July.
What temperatures can I expect in Saint-Louis?
Daytime highs range from 28°C (82°F) in January to 33°C (91°F) in October. Nighttime lows range from 19°C (66°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Saint-Louis get?
Annual rainfall is around 155 mm (6.1 in). August is the wettest month with 62 mm (2.4 in), while April is the driest with 0.1 mm (0 in).
How sunny is Saint-Louis?
Saint-Louis receives around 3,005 hours of sunshine per year. April is the sunniest month with 285 hours, while June is the cloudiest with just 222 hours. Overall, Saint-Louis enjoys abundant sunshine.
Saint-Louis 3-Day Forecast
Saint-Louis on the map
Saint-Louis is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Saint-Louis
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