Iracoubo Rainfall At Iracoubo in French Guiana, for a period of record spanning 1971 – 2014 average annual rainfall sum = 2827.8 mm wettest year on record = 4186.4 mm of rainfall in 1976 driest year on record = 1762.6 mm of rainfall in 1986 wettest month on average = 475.4 mm of rainfall in May … Continue reading Iracoubo Rainfall