The average rainfall value for Upala Alajuela over the past 30 years is 2734 mm (millimetre).
In city of Upala Alajuela, the rainfall in January is 147 mm; The rainfall in February is 85 mm; The rainfall in March is 48 mm; The rainfall in April is 48 mm; The rainfall in May is 200 mm; The rainfall in June is 356 mm; The rainfall in July is 347 mm; The rainfall in August is 330 mm; The rainfall in September is 338 mm; The rainfall in October is 337 mm; The rainfall in November is 276mm; The rainfall in December is 222 mm.
Rainfall is the fall of atmospheric moisture in the form of water due to gravity. Rainfall does not occur unless cloud droplets become so large due to coalescence that the air becomes unable to hold them.
Address: Upala, Alajuela, Costa Rica.