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Seawall in Mandeville of Lake Pontchartrain
Lake Pontchartrain Seawall, Mandeville

Weather

Louisiana has a semi-tropical climate. Variations in daily temperature are determined by distances from the Gulf of Mexico and, to a lesser degree, by differences in elevation.

The average annual temperature for the state as a whole is 67.4. January is the coldest month (average 50.7), and July and August the warmest (average 82). 

Snow is rare in southern Louisiana, but occasionally falls are recorded in the northern parts of the state. Average annual rainfall is 55.45 inches.