Santiago, in Alajuela Province, Costa Rica, is home to roughly 2,100 people in the America/Costa Rica time zone at 10°N latitude.
In 2025, Santiago recorded an average annual temperature of 69°F. The hottest temperatures reached 87°F in March; the coolest were 54°F in March. Total precipitation for the year was 135 inches, with the wettest month being June.
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