Bergen County Climate
Bergen County, New Jersey
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
55.4°F
Annual Precip
46.9"
Annual Snowfall
—
Extreme Heat Days
29
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
3,853
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Bergen County
Climate Verdict
Bergen County has a mild, with an average annual temperature of 55.4°F, moderately wet with 46.9 inches of annual precipitation, occasional hot days — 28.9 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 32.8°F. summers are warm — July averages 78.0°F. The 45°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
Bergen County closely matches the New Jersey statewide average temperature of 53.6°F.
Climate Profile
About Bergen County Weather
Warmer Than the National Median
Bergen County averages 55.4°F annually, which is notably warmer than the typical U.S. county median. Its 46.9 inches of annual precipitation keeps the landscape lush compared to much of the country.
Near the Top of State Rankings
At 55.4°F, Bergen is nearly two degrees warmer than the New Jersey state average of 53.6°F. It stands as one of the warmest counties in the northern part of the state.
Warmer Than Nearby Essex
Bergen County is significantly warmer than its neighbor Essex, which averages just 53.0°F. Despite their proximity, Bergen experiences a much higher summer intensity.
Intense Summers and Mild Winters
The county experiences 29 days of extreme heat over 90°F annually, significantly higher than many coastal neighbors. While snowfall data is limited for this period, a January average of 32.8°F ensures distinct freezing cycles.
Prepare for High Heat Stress
With nearly a month of days topping 90°F, robust air conditioning is a necessity for Bergen residents. The 46.9 inches of rain also demands well-maintained gutters and drainage systems.
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.