About La Fortuna, Alajuela Province

With a population of around 3,000, La Fortuna 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, La Fortuna recorded a mean annual temperature of 75°F, ranging from 63°F lows in March to 89°F highs in October, with about 165 inches of precipitation across the year.