Hondovalle Rainfall At Hondovalle in Dominican Republic, for a period of record spanning 1971 – 2012 average annual rainfall sum = 1580.3 mm wettest year on record = 2285.9 mm of rainfall in 2000 driest year on record = 912.7 mm of rainfall in 1997 wettest month on average = 268.2 mm of rainfall in May …