Plaquemines Parish Climate
Plaquemines Parish, Louisiana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
69.7°F
Annual Precip
61.1"
Annual Snowfall
0.0"
Extreme Heat Days
47
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9b
Minimum winter temperature range for plant survival
7,328
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Plaquemines Parish
Climate Verdict
Plaquemines Parish has a warm, averaging 69.7°F year-round, very wet conditions receiving 61.1 inches of precipitation annually, occasional hot days — 46.625 per year above 90°F, virtually no measurable snowfall. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 54.1°F. summers are hot, with July averaging 82.5°F. The climate is remarkably stable year-round, with only a 28°F difference between January and July. January is typically the coldest month and August the warmest.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Plaquemines Parish. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Plaquemines Parish closely matches the Louisiana statewide average temperature of 67.0°F, the county experiences 37.041346153846106 fewer extreme heat days than the state average.
Climate Profile
About Plaquemines Parish Weather
Balmy coastal conditions
Plaquemines Parish averages 69.7°F, which is exceptionally warm compared to the national median. The Gulf of Mexico heavily influences this maritime climate.
Warmer than the state median
This parish stays warmer than the 67.0°F state average due to its southern latitude. The water-adjacent location prevents the deep freezes seen further north.
Fewer extreme heat days
Thanks to coastal breezes, the parish sees only 47 extreme heat days, half as many as inland Orleans Parish. It receives 61.1 inches of rain, slightly above the state average.
Moderate summers and balmy winters
July averages 82.5°F, while winter is the warmest in the region at 56.1°F. Snowfall is unheard of here, with a recorded annual average of 0.0 inches.
Focus on humidity and rain
While extreme heat is less frequent here than inland, 61.1 inches of rain makes moisture control a priority. Light clothing and hurricane preparedness are the keys to living in this coastal environment.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.