Cape May County Climate
Cape May County, New Jersey
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.0°F
Annual Precip
43.8"
Annual Snowfall
14.8"
Extreme Heat Days
21
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
3,802
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Cape May County
Climate Verdict
Cape May County has a mild, with an average annual temperature of 56.0°F, moderately wet with 43.8 inches of annual precipitation, occasional hot days — 21.450000000000003 per year above 90°F, light snow averaging 14.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 35.8°F. summers are warm — July averages 76.8°F. The 41°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Cape May County closely matches the New Jersey statewide average temperature of 53.6°F, it is somewhat drier than average for New Jersey.
Climate Profile
About Cape May County Weather
New Jersey's Warmest Coastal Tip
At 56.0°F, Cape May is significantly warmer than the national median and the warmest county in this regional set. Its 43.8 inches of precipitation is lower than many of its northern neighbors.
Leading the State in Warmth
Cape May's 56.0°F average annual temperature is nearly 2.5 degrees higher than the New Jersey state average. Its unique peninsula geography allows the ocean to moderate its climate significantly.
Warmest of the Southern Tier
It is much warmer than its closest neighbor, Cumberland County, which averages 54.6°F. Cape May's coastal position creates a microclimate that sets it apart from the inland mainland.
Mild Winters and Shore Breezes
The county sees only 14.8 inches of snowfall and 21 extreme heat days, reflecting a very stable climate. Winter averages are a relatively mild 37.6°F, the highest in the region.
Coastal Maintenance is Key
With the mildest winters in the state, residents can focus less on snow and more on salt-air corrosion. HVAC systems should be optimized for humidity rather than extreme freezing protection.
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.