Blairmont Rainfall
At Blairmont in Guyana, for a period of record spanning 1979 – 2014
average annual rainfall sum = 1719.2 mm
wettest year on record = 2703.2 mm of rainfall in 2008
driest year on record = 979.1 mm of rainfall in 1997
wettest month on average = 245.3 mm of rainfall in June
wettest month on record = 609.3 mm of rainfall in December 2008
peak of wet season = May to July on average with an average of 700 mm of rainfall
wettest 3-month period on record = 1119.2 mm of rainfall in Nov. to Jan. 2005
driest month on average = 47.8 mm of rainfall in October
driest month on record = 1 mm of rainfall in October 1997
peak of dry season on average = Sept. to Nov. with 186.2 mm of rainfall
driest 3-month period on record = 18.8 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.