San Luis Potosí in Mexico sees its peak temperatures in May (36°C (97°F)) and its coolest in January (25°C (77°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from Ciudad Valles, the region's most visited city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in San Luis Potosí during January and December is comfortably warm, with average temperatures ranging from 25°C (77°F) to 26°C (79°F).
May, June and August are generally the hottest months of the year.
Precipitation in San Luis Potosí varies considerably throughout the year. The wettest conditions occur in September with 241 mm (9.5 in) of rain, while December stays relatively dry with 29 mm (1.1 in).
