Atlantic County Climate
Atlantic County, New Jersey
Avg Annual Temp
54.9°F
Annual Precip
46.9"
Annual Snowfall
19.5"
Extreme Heat Days
20.550000000000004
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Atlantic County Weather
A Mild Coastal Temperate Zone
With an average annual temperature of 54.9°F, Atlantic County sits nearly two degrees warmer than the national median. This humid subtropical climate is influenced heavily by its proximity to the Atlantic Ocean.
Warmer Than the Jersey Average
The county's 54.9°F annual average exceeds the New Jersey state average of 53.6°F. It ranks among the warmer southern counties, benefiting from coastal air that buffers against the state's interior chills.
Atlantic vs Its Regional Neighbors
Atlantic County matches Gloucester's 54.9°F average exactly, making them climate twins in the region. However, it stays slightly warmer than Burlington County's 54.8°F mark.
Sun, Snow, and Shore Heat
Summer brings an average of 21 days where temperatures top 90°F, while winters remain relatively mild with 19.5 inches of annual snowfall. The July average reaches a balmy 76.4°F, perfect for the tourism-driven shore economy.
Coastal Humidity and Winter Prep
Residents should maintain HVAC systems to handle high summer humidity and 21 extreme heat days. While snowfall is moderate at 19.5 inches, coastal wind speeds often make winter storms feel more intense.
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.