About Santiago, San Jose's Climate & Weather History

Santiago is a city of approximately 8,300 people in San Jose, Costa Rica. Located in the America/Costa Rica time zone at 9.8°N latitude.

In 2025, Santiago recorded an average annual temperature of 68°F. The hottest temperatures reached 85°F in April; the coolest were 56°F in January. Total precipitation for the year was 149 inches, with the wettest month being October.