Orleans Parish Climate
Orleans Parish, Louisiana
Avg Annual Temp
71.3°F
Annual Precip
64.7"
Annual Snowfall
0.1"
Extreme Heat Days
95.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.