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San Luis Potosí Climate by Month

Temperatures in San Luis Potosí experience a moderate degree of variance through the seasons. Days can be warm, while the cooler months tend to be pleasant. It receives a reasonable amount of rainfall. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

The weather in San Luis Potosí changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures reach a comfortable 30°C in May. In January, the coolest month of the year, temperatures drop to a pleasant 21°C. At night, expect cooler temperatures, averaging 6°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, San Luis Potosí receives mid-range precipitation levels, with 585 mm annually. San Luis Potosí can be quite wet during September, receiving approximately 102 mm of precipitation over 7 rainy days.

In contrast December, experiences much drier conditions, with 12 mm of rainfall, spread across 2 rainy days.

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

Sunshine over the year

San Luis Potosí experiences moderate variation in sunshine hours across the seasons. With 9.4 hours daily sunshine in May, it dips to 6.5 hours in September, offering a balanced mix of sunny and overcast days.

Monthly hours of sunshine

Daily hours of sunshine

The best time of year to visit San Luis Potosí in Mexico

During the months of January, February, September, October, November and December 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:
  • Does San Luis Potosí have a dry season?
    Yes, the months of January, February, March and December are very dry.
  • Which is the warmest month in San Luis Potosí?
    May has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in San Luis Potosí?
    The coldest month is January with an average maximum temperature of 21°C.
  • Which is the wettest month in San Luis Potosí?
    September tops the wettest month list with 102 mm of rainfall.
  • Which is the driest month in San Luis Potosí?
    December is the driest month with 12 mm of precipitation.
  • Which is the sunniest month in San Luis Potosí?
    May is the sunniest month with an average of 283 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 San Luis Potosí

    Sat   Dec 14
    26°C | 6°C
    E 7 km/h
    almost clear and no rain

    almost clear and no rain

    Sun   Dec 15
    24°C | 5°C
    E 7 km/h
    almost clear and no rain

    almost clear and no rain

    Mon   Dec 16
    25°C | 5°C
    E 7 km/h
    almost clear and no rain

    almost clear and no rain