St. Bernard Parish Climate
St. Bernard Parish, Louisiana
Avg Annual Temp
68.6°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
54.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Precipitation data coming soon
Seasonal Overview
National Comparison
Data pending
Climate Profile
About St. Bernard Parish Weather
Southern Coastal Warmth and Humidity
St. Bernard Parish averages 68.6°F annually, which is significantly higher than the national median. Its location near the Gulf of Mexico drives a humid and consistently warm climate.
Among the Warmest in Louisiana
The parish's 68.6°F average temperature is higher than the state average of 67.0°F. This makes it one of the warmer coastal regions in Louisiana.
Cooler Summers Than Inland Parishes
St. Bernard experiences only 55 extreme heat days annually, far fewer than inland parishes like Richland which see over 80. The coastal influence helps moderate summer temperature spikes.
Mild Winters with No Snow
Winter temperatures are very mild with a January average of 52.8°F, and snowfall is virtually non-existent. Summers are long and humid, averaging 81.3°F during the peak months of June through August.
Humidity Control and Light Clothing
Dehumidifiers and light, breathable clothing are essential for the damp, coastal air. Residents should also focus on hurricane preparedness given the parish's vulnerability to Gulf weather patterns.
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.