ClimateForecastNovemberDecember >>

Saint-Louis Climate by Month

The temperature in Saint-Louis can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It is also known for its large amounts of rain/snowfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

Visitors to Saint-Louis can expect significant temperature changes throughout the year. Typically, daytime temperatures range from a comfortable 26°C in July to a chilly 6°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -1°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Saint-Louis is known for its substantial rain/snowfall, with annual precipitation reaching 1199 mm. Precipitation levels in Saint-Louis remain relatively steady throughout the year. May has the most rain, with 123 mm over 17 days. In February, this drops slightly to 83 mm, making the city's climate fairly predictable.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Saint-Louis serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.9 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.

Monthly hours of sunshine

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

Daily hours of sunshine

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

The best time of year to visit Saint-Louis in France

During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Saint-Louis?
    July has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in Saint-Louis?
    The coldest month is January with an average maximum temperature of 6°C.
  • Which is the wettest month in Saint-Louis?
    May tops the wettest month list with 123 mm of rainfall.
  • Which is the driest month in Saint-Louis?
    February is the driest month with 83 mm of precipitation.
  • Which is the sunniest month in Saint-Louis?
    July is the sunniest month with an average of 237 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Saint-Louis

    Sat   Nov 23
    4°C | -3°C
    SE 7 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sun   Nov 24
    9°C | 2°C
    SE 7 km/h
    broken clouds and no rain

    broken clouds and no rain

    Mon   Nov 25
    10°C | 3°C
    E 11 km/h
    11 mm
    broken clouds and slight rain

    broken clouds and slight rain