Isabela Rainfall

At Isabela in Puerto Rico, for a period of record spanning 1971 – 2014
average annual rainfall sum = 1597.4 mm
wettest year on record = 2108.1 mm of rainfall in 2005
driest year on record = 1130.9 mm of rainfall in 1973
wettest month on average = 197.1 mm of rainfall in May
wettest month on record = 498.6 mm of rainfall in May 1982
peak of wet season = Aug. to Oct. on average with an average of 499.8 mm of rainfall
wettest 3-month period on record = 845.6 mm of rainfall in Aug. to Oct. 1984
driest month on average = 69 mm of rainfall in February
driest month on record = 2.8 mm of rainfall in January 1983
peak of dry season on average = Jan. to Mar. with 242.8 mm of rainfall
driest 3-month period on record = 26.4 mm of rainfall in Jan. to Mar. 1983
Below are links to charts of Monthly and Seasonal rainfall values. Click on each of the thumbnail images to see the respective full image.
Isabela Puerto Rico Monthly Rainfall
 
Isabela Puerto Rico Seasonal Rainfall