St. Laurent Rainfall
At St Laurent in French Guiana, for a period of record spanning 1971 – 2014
average annual rainfall sum = 2545.5 mm
wettest year on record = 3489.7 mm of rainfall in 1976
driest year on record = 1959.7 mm of rainfall in 1992
wettest month on average = 375.3 mm of rainfall in May
wettest month on record = 723.8 mm of rainfall in May 2013
peak of wet season = Apr. to June on average with an average of 964.8 mm of rainfall
wettest 3-month period on record = 1389.1 mm of rainfall in Apr. to June 1990
driest month on average = 90 mm of rainfall in October
driest month on record = 5.4 mm of rainfall in October 2001
peak of dry season on average = Sept. to Nov. with 339.8 mm of rainfall
driest 3-month period on record = 124.4 mm of rainfall in Jan. to Mar. 2003
Below are links to charts of Monthly and Seasonal rainfall values. Click on each of the thumbnail images to see the respective full image.