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 averaged an annual temperature of 69°F, with hottest temperatures reaching 87°F in March and lowest around 54°F in March. The city received approximately 135 inches of precipitation during the year.
View historical weather for Santiago · More cities in Alajuela Province