Sinnamary Rainfall

At Sinnamary in French Guiana, for a period of record spanning 1971 – 2014
average annual rainfall sum = 2746 mm
wettest year on record = 4020.2 mm of rainfall in 2002
driest year on record = 1626.5 mm of rainfall in 2003

wettest month on average = 470.1 mm of rainfall in May
wettest month on record = 1066.1 mm of rainfall in May 1984
peak of wet season = Apr. to June on average with an average of 1217.2 mm of rainfall
wettest 3-month period on record = 1964.4 mm of rainfall in Apr. to June 2002

driest month on average = 41.1 mm of rainfall in September
driest month on record = 0 mm of rainfall in September 1976, 1990; October 1976
peak of dry season on average = Aug. to Oct. with 184.8 mm of rainfall
driest 3-month period on record = 11.8 mm of rainfall in Aug. to Oct. 1976

Below are links to charts of Monthly and Seasonal rainfall values. Click on each of the thumbnail images to see the respective full image.