With a population of around 4,700, San Lucas sits in Chiapas, Mexico. The city operates in the Central Time Zone.
In 2025, San Lucas recorded an average annual temperature of 76°F. The hottest temperatures reached 100°F in May; the coolest were 54°F in January. Total precipitation for the year was 48 inches, with the wettest month being June.
View current conditions and forecast for San Lucas · More cities in Chiapas