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 … Continue reading Georgetown Rainfall