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Warren County Climate

Warren County, Pennsylvania

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec46.7°AVG °F

Avg Annual Temp

46.7°F

Annual Precip

47.9"

Annual Snowfall

93.7"

Extreme Heat Days

5

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.7"
2.6"
3.3"
4.2"
4.3"
4.6"
5.1"
4.1"
4.1"
4.2"
3.8"
3.9"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6a

Minimum winter temperature range for plant survival

Growing Degree Days

2,286

Favors cool-season crops

Last spring frost (32°F): 05/22
First fall frost (32°F): 10/21

Seasonal Overview

Comfort ZoneSpring33°56°11.8"Summer65°68°13.9"Fall39°61°12.1"Winter24°29°10.2"20°40°60°80°100°

National Comparison

Warmer than 18% of US counties
Wetter than 69% of US counties
More seasonal variation than 59% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Warren County

Climate Verdict

Warren County has a cool, averaging 46.7°F annually, moderately wet with 47.9 inches of annual precipitation, rare extreme heat with only 4.65 days above 90°F annually, heavy winter snowfall averaging 93.7 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 23.6°F. summers are pleasantly cool with July averaging 68.4°F. The 45°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.

Regional Context

Warren County is 3.2°F cooler than the Pennsylvania statewide average of 49.8°F, it is somewhat wetter than average for Pennsylvania.

Climate Profile

About Warren County Weather

One of the cooler climates in the nation

Warren County averages a brisk 46.7°F annually, placing it more than seven degrees below the national median temperature. Its climate is defined by long, snowy winters and short, refreshing summers.

Colder than the Pennsylvania average

The county is significantly cooler than the Pennsylvania average of 49.9°F. Its location in the northern tier makes it one of the state's chillier jurisdictions year-round.

The snow capital of the region

Warren County’s 93.7 inches of annual snow dwarfs the 53.7 inches seen in neighboring Venango County. It also receives 47.9 inches of total precipitation, exceeding the state average of 45.3 inches.

Deep winters and rare summer heat

Winter dominates the calendar with a December-to-February average of 25.9°F and massive snow totals. Extreme heat is rare here, as the county only sees about 5 days a year hit the 90°F mark.

Prioritizing winter gear and vehicle safety

The 93.7 inches of snow make winter tires and reliable shovels absolute essentials for every household. Fortunately, the mild 68.4°F July average means many residents can get by with minimal air conditioning use.

Frequently Asked Questions

What is the average temperature in Warren County?
The average annual temperature in Warren County, PA is 46.7°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Warren County get?
Warren County receives an average of 47.9 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Warren County?
Yes, Warren County receives an average of 93.7 inches of snowfall per year according to NOAA climate normals.
How hot does Warren County get in summer?
The average summer temperature (June-August) in Warren County is 66.7°F. The county experiences an average of 5 days per year above 90°F.
How cold are winters in Warren County?
The average winter temperature (December-February) in Warren County is 25.9°F. January, typically the coldest month, averages 23.6°F.

Track your own weather in Warren 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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