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Bergen County Climate

Bergen County, New Jersey

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec55.4°AVG °F

Avg Annual Temp

55.4°F

Annual Precip

46.9"

Annual Snowfall

Extreme Heat Days

29

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
3.2"
2.8"
4.0"
3.9"
3.8"
4.2"
4.6"
4.5"
4.1"
4.1"
3.5"
4.1"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7b

Minimum winter temperature range for plant survival

Growing Degree Days

3,853

Supports most vegetables & fruits

Last spring frost (32°F): 04/03
First fall frost (32°F): 11/04

Seasonal Overview

Comfort ZoneSpring42°63°11.8"Summer73°78°13.3"Fall47°69°11.7"Winter33°38°10.1"20°40°60°80°100°

National Comparison

Warmer than 53% of US counties
Wetter than 64% of US counties
More seasonal variation than 62% of US counties

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

What is the average temperature in Bergen County?
The average annual temperature in Bergen County, NJ is 55.4°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Bergen County get?
Bergen County receives an average of 46.9 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Bergen County get in summer?
The average summer temperature (June-August) in Bergen County is 75.6°F. The county experiences an average of 29 days per year above 90°F.
How cold are winters in Bergen County?
The average winter temperature (December-February) in Bergen County is 35.2°F. January, typically the coldest month, averages 32.8°F.

Track your own weather in Bergen County

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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