San Luis Potosi experiences mild winters, with January and February averaging around 13-16°C, while December is slightly cooler at 14°C. Spring brings warmer temperatures, steadily increasing from March's 18°C to April's 21°C peak. Summer months are relatively consistent, with June to August averaging around 19°C, although highs can reach up to 30°C. Autumn sees a slight drop in temperature, ranging from 17-18°C across September and October. Winters bring the coolest temperatures, dipping as low as -2°C in January and December, but still generally mild overall.