Orleans Parish Climate
Orleans Parish, Louisiana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
71.3°F
Annual Precip
64.7"
Annual Snowfall
0.1"
Extreme Heat Days
96
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9b
Minimum winter temperature range for plant survival
7,917
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Orleans Parish
Climate Verdict
Orleans Parish has a warm, averaging 71.3°F year-round, very wet conditions receiving 64.7 inches of precipitation annually, significant summer heat with 95.6 days annually above 90°F, light snow averaging 0.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 54.7°F. summers are hot, with July averaging 84.8°F. The 30°F seasonal variation provides noticeable but manageable change. January is typically the coldest month and August the warmest.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Orleans Parish is 4.3°F warmer than the Louisiana statewide average of 67.0°F, it is somewhat wetter than average for Louisiana.
Climate Profile
About Orleans Parish Weather
Among the nation's warmest
Orleans Parish averages a tropical 71.3°F, making it one of the warmest urban areas in the United States. This is far above the national median and reflects its coastal position.
Warmer than the Louisiana average
The parish is significantly warmer than the state average of 67.0°F. Its coastal influence and urban heat island effect drive temperatures higher than inland parishes.
Wettest in the region
With 64.7 inches of annual rain, Orleans is much wetter than the state average of 60.8 inches. It experiences 96 extreme heat days, nearly double that of coastal Plaquemines Parish.
Tropical summers and warm winters
July reaches an average of 84.8°F, while winter averages a balmy 56.8°F. Snow is almost non-existent here, with an annual average of only 0.1 inches.
Water management is critical
The 64.7 inches of annual precipitation requires robust drainage and flood preparation. Continuous air conditioning is necessary to handle the 96 days of extreme heat each year.
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.