Saint-Louis Weather in May
What's the weather like in Saint-Louis (Saint-Louis) in May 2025?
The climate in Saint-Louis during May can be summarized as hot and very dry.
May is in the spring in Saint-Louis and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a warm 31°C (88°F), whilst at night 19°C (67°F) is normal.
| Daytime temperature | 31.2°C 88.2°F |
|---|---|
| Nightly temperature | 19.4°C 66.9°F |
| Average temperature | 25.3°C 77.5°F |
| Daily sunshine | 9.6 hrs |
| Avg rainfall | 0 mm 0 ins |
| Rainy days | 0 days |
| Sea temperature | 20.9°C 69.6°F |
| Humidity | 56% |
| Windspeed | 11.2kph 7 mph |
On average May is the 2nd driest month of the year in Saint-Louis with around 0mm 0 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.6 hours of sunshine per day.
May temperatures in Saint-Louis
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Saint-Louis in May 2025.
Other monthly averages
Saint-Louis weather stats
| Hottest month: | September | 32.4°C 90.3°F |
|---|---|---|
| Driest month: | April | 0mm 0ins |
| Sunniest month: | April | 10hrs |
| Coldest month: | January | 29.9°C 85.8°F |
| Wettest month: | September | 95mm 3.7ins |
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