About San Luis, Santiago de Cuba Province's Climate & Weather History

San Luis is a city of approximately 67,300 people in Santiago de Cuba Province, Cuba. Located in the America/Havana time zone at 20.2°N latitude.

In 2025, San Luis recorded an average annual temperature of 78°F. The hottest temperatures reached 99°F in July; the coolest were 59°F in December. Total precipitation for the year was 44 inches, with the wettest month being October.