Georgetown Rainfall
At Georgetown in Guyana, for a period of record spanning 1971 – 2014
average annual rainfall sum = 2321.2 mm
wettest year on record = 3365.2mm of rainfall in 2008
driest year on record = 1592.2 mm of rainfall in 2001
wettest month on average = 313.6 mm of rainfall in June
wettest month on record = 1108.2 mm of rainfall in January 2005
peak of wet season = May to July on average with an average of 862.2 mm of rainfall
wettest 3-month period on record = 1716.5 mm of rainfall in Dec. to Feb. 2004
driest month on average = 91 mm of rainfall in September
driest month on record = 2.1 mm of rainfall in September 1997
peak of dry season on average = Aug. to Oct. with 375.2 mm of rainfall
driest 3-month period on record = 44.9 mm of rainfall in Aug. to Oct. 1997
Below are links to charts of Monthly and Seasonal rainfall values. Click on each of the thumbnail images to see the respective full image.