City Questions>Precipitation>San Juan Puerto Rico average annual rainfall (How much precipitation in San Juan, Puerto Rico)-Puerto Rico

The average rainfall value for San Juan Puerto Rico over the past 30 years is 3510 mm (millimetre).

In city of San Juan Puerto Rico, the rainfall in January is 491 mm; The rainfall in February is 353 mm; The rainfall in March is 256 mm; The rainfall in April is 212 mm; The rainfall in May is 202 mm; The rainfall in June is 222 mm; The rainfall in July is 192 mm; The rainfall in August is 142 mm; The rainfall in September is 194 mm; The rainfall in October is 272 mm; The rainfall in November is 462mm; The rainfall in December is 512 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: San Juan, Puerto Rico, Puerto Rico.

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