St Thomas Rainfall

At St Thomas in US Virgin Islands, for a period of record spanning 1973 – 2014
average annual rainfall sum = 996 mm
wettest year on record = 1559.2 mm of rainfall in 2010
driest year on record = 495.8 mm of rainfall in 1991

wettest month on average = 148.3 mm of rainfall in October
wettest month on record = 467.1 mm of rainfall in November 2003
peak of wet season = Sept. to Nov. on average with an average of 431.2 mm of rainfall
wettest 3-month period on record = 753.8 mm of rainfall in Sept. to Nov. 1974

driest month on average = 35.3 mm of rainfall in February
driest month on record = 0 mm of rainfall on multiple occasions
peak of dry season on average = Jan. to Mar. with 123.4 mm of rainfall
driest 3-month period on record = 0 mm of rainfall in Jan. to Mar. 1996

Below are links to charts of Monthly and Seasonal rainfall values. Click on each of the thumbnail images to see the respective full image.