Alajuela is one of several regions in Costa Rica, with temperatures that range from 26°C (79°F) in January to 30°C (86°F) during the peak of April. We've based our full climate overview on data from Fortuna, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Alajuela, during the months of January and December you can expect comfortable weather, with average temperatures ranging from 27°C (81°F) to 27°C (81°F).
Precipitation in Alajuela varies considerably throughout the year. The wettest conditions occur in October with 330 mm (13 in) of rain, while March stays relatively dry with 45 mm (1.8 in).
March is the sunniest period, with ideal conditions for exploring the region and all it has to offer.
