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.
Sinnamary French Guiana Monthly Rainfall
 
Sinnamary French Guiana Seasonal Rainfall