French Guiana


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Elevation: 30 feet     Latitude: 05 30N     Longitude: 054 02W
Köppen Classification: Tropical Rainforest Climate



A tropical rainforest climate, also known as an equatorial climate, is a tropical climate usually (but not always) found along the equator. Tropical rainforest climate is a type of tropical climate in which there is no dry season - all months have mean precipitation values of at least 60 mm (2.36 in). Tropical rainforest climates have no pronounced summer or winter; it is typically hot and wet throughout the year and rainfall is both heavy and frequent. One day in an equatorial climate can be very similar to the next, while the change in temperature between day and night may be larger than the average change in temperature between "summer" and "winter".

The Köppen Climate Classification subtype for this climate is "Af". (Tropical Rainforest Climate).

The average temperature for the year in St.-Laurent du Maroni is 80.0°F (26.7°C). The warmest month, on average, is September with an average temperature of 82.0°F (27.8°C). The coolest month on average is January, with an average temperature of 79.0°F (26.1°C).

The highest recorded temperature in St.-Laurent du Maroni is 108.0°F (42.2°C), which was recorded in September. The lowest recorded temperature in St.-Laurent du Maroni is 66.0°F (18.9°C), which was recorded in February.

The average amount of precipitation for the year in St.-Laurent du Maroni is 102.1" (2593.3 mm). The month with the most precipitation on average is May with 13.6" (345.4 mm) of precipitation. The month with the least precipitation on average is October with an average of 4.0" (101.6 mm).

Koppen Chart