G. Castle Rainfall

At G. Castle in Antigua, for a period of record spanning 1979 – 2013
average annual rainfall sum = 1357.1 mm
wettest year on record = 2202.9 mm of rainfall in  1992
driest year on record = 796.4 mm of rainfall in 1983

wettest month on average = 178.9 mm of rainfall in October
wettest month on record = 548.4 mm of rainfall in May 1987
peak of wet season = Sept. to Nov. on average with an average of 499.6 mm of rainfall
wettest 3-month period on record = 824 mm of rainfall in Aug. to Oct. 1995

driest month on average = 54.9 mm of rainfall in March
driest month on record = 5.1 mm of rainfall in May 2001
peak of dry season on average = Jan. to Mar. with 195.8 mm of rainfall
driest 3-month period on record = 60.7 mm of rainfall in Apr. to June in 2001

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