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.