Vermilion Parish Climate
Vermilion Parish, Louisiana
Avg Annual Temp
67.2°F
Annual Precip
63.2"
Annual Snowfall
0.1"
Extreme Heat Days
72.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Vermilion Parish Weather
A Warm Subtropical Coastal Environment
Vermilion Parish maintains an annual average temperature of 67.2°F, which sits significantly higher than the national median of approximately 54°F. This humid subtropical climate experiences warm gulf breezes that keep temperatures elevated throughout the year. The region remains one of the warmer pockets in the United States.
Slightly Warmer Than the Louisiana Average
The parish's average temperature of 67.2°F is just above the Louisiana state average of 67.0°F. While many central parishes are slightly cooler, Vermilion stays consistently warm due to its southern, coastal positioning. This puts it in the upper tier of heat rankings among Louisiana’s 64 parishes.
Wetter and Warmer Than Its Northern Neighbors
Vermilion receives 63.2 inches of annual precipitation, which is over two inches more than the state average of 60.8 inches. It is notably wetter and warmer than inland parishes like Vernon, which averages only 59.5 inches of rain. The coastal influence provides more consistent moisture compared to the state's interior.
Mild Winters and Steamy Coastal Summers
Summers are intense with 73 days reaching 90°F or higher and a July average of 81.5°F. Winters remain very mild with a January average of 50.2°F and almost no measurable snow, averaging just 0.1 inches annually. The difference between the summer average of 80.9°F and the winter average of 52.3°F is relatively narrow.
Prepare for High Humidity and Heavy Rain
Residents should invest in high-capacity HVAC systems to manage the 73 extreme heat days and heavy humidity. With 63.2 inches of annual rain, durable rain gear and proper home drainage are essential for the frequent downpours. Outdoor activities are best planned for the mild winter months when temperatures hover around 52°F.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.