The average rainfall value for Isabela Puerto Rico over the past 30 years is 2331 mm (millimetre).
In city of Isabela Puerto Rico, the rainfall in January is 208 mm; The rainfall in February is 148 mm; The rainfall in March is 113 mm; The rainfall in April is 108 mm; The rainfall in May is 141 mm; The rainfall in June is 202 mm; The rainfall in July is 219 mm; The rainfall in August is 182 mm; The rainfall in September is 214 mm; The rainfall in October is 248 mm; The rainfall in November is 296mm; The rainfall in December is 252 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: Isabela, Puerto Rico, Puerto Rico.