About San Ramon, Alajuela Province's Climate & Weather History

San Ramon, in Alajuela Province, Costa Rica, is home to roughly 10,800 people in the America/Costa Rica time zone at 10.1°N latitude.

In 2025, San Ramon recorded an average annual temperature of 69°F. The hottest temperatures reached 85°F in March; the coolest were 57°F in March. Total precipitation for the year was 100 inches, with the wettest month being October.