With a population of around 47,500, Alajuela sits in Alajuela Province, Costa Rica. The city operates in the America/Costa Rica time zone.
Recent weather here gives a sense of typical conditions: in 2025, Alajuela recorded a mean annual temperature of 71°F, ranging from 57°F lows in December to 91°F highs in March, with about 149 inches of precipitation across the year.
View historical weather for Alajuela · More cities in Alajuela Province