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The general classification of Moss Bluff climate is humid subtropical with a strong maritime character. The climate is influenced to a large degree by the amount of water surface in the immediate area and the proximity of the Gulf of Mexico.
Prevailing wind flow is southerly during much of the year. The flow of air from the Gulf of Mexico helps to temper extremes of summer heat, shorten the duration of winter cold spells and provide a source of abundant rain. Winds are usually rather light.
Rainfall is heavy, with the normal annual total more than 65 inches. Amounts are substantial in all seasons. Almost all rainfall occurs from brief convective showers, except occasionally during winter when nearly continuous frontal rains may persist for a few days. In spite of the large normal rainfall amounts, dry spells of two or three weeks duration are not uncommon. The winter months are normally mild with cold spells usually of short duration. Temperatures of 20 degrees and below are extremely rare, occurring only about one year in five.
Snow is a negligible. Many years pass without measurable snowfall. However, on rare occasions, as much as 22 inches of snow have fallen. Freezing rain and sleet are only a little less uncommon than snow.
The summer weather is consistently quite warm and humid but the temperature rarely reaches the 100 degree mark. The humidity is often above 90 percent at night and seldom falls below 50 percent during the afternoons.
The spring and fall seasons are very mild and pleasant with only brief rains interrupting long periods of dry sunny weather.
Severe local storms may occur during any season but are most frequent in the spring. The area weather is occasionally influenced by tropical storms or hurricanes. Some of these storms may be accompanied by tornadoes.
Official Rainfall Amounts for Moss Bluff, La
Location of gage - 30°18'N / 93°12'W - Elevation 5.8 meters or 19' feet - 368 Tupelo Lane
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