Rose Hall Rainfall

At Rose Hall in Guyana, for a period of record spanning 1979 – 2014
average annual rainfall sum = 1894.5 mm
wettest year on record = 2904.6 mm of rainfall in 2012
driest year on record = 1178.7 mm of rainfall in 2009

wettest month on average = 270 mm of rainfall in June
wettest month on record = 702.3 mm of rainfall in December 2008
peak of wet season = May to July on average with an average of 756.9 mm of rainfall
wettest 3-month period on record = 1079.9 mm of rainfall in Nov. to Jan. 2005

driest month on average = 57.8 mm of rainfall in October
driest month on record = 0 mm of rainfall in September 1997
peak of dry season on average = Sept. to Nov. with 221.7 mm of rainfall
driest 3-month period on record = 8.9 mm of rainfall in Sept. to Nov. 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.