Rio San Juan Rainfall

At Rio San Juan in Dominican Republic, for a period of record spanning 1971 – 2012
average annual rainfall sum = 2211.3 mm
wettest year on record = 4108.4 mm of rainfall in 1996
driest year on record = 1325.9 mm of rainfall in 2011
wettest month on average = 277.8 mm of rainfall in November
wettest month on record = 702.6 mm of rainfall in May 1987
peak of wet season = Oct. to Dec. on average with an average of 705.9 mm of rainfall
wettest 3-month period on record = 1526.8 mm of rainfall in Sept. to Nov. 1996
driest month on average = 114.8 mm of rainfall in February
driest month on record = 6.3 mm of rainfall in March 2003
peak of dry season on average = Jan. to Mar. with 395 mm of rainfall
driest 3-month period on record = 57 mm of rainfall in Feb. to Apr. 1975
Below are links to charts of Monthly and Seasonal rainfall values. Click on each of the thumbnail images to see the respective full image.
Rio San Juan Dominican Republic Monthly Rainfall
 
Rio San Juan Dominican Republic Seasonal Rainfall