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Butler County Climate

Butler County, Pennsylvania

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec48.3°AVG °F

Avg Annual Temp

48.3°F

Annual Precip

44.2"

Annual Snowfall

34.9"

Extreme Heat Days

10

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.4"
2.7"
3.3"
3.7"
4.0"
4.5"
4.4"
4.0"
4.1"
3.4"
3.4"
3.3"
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

2,503

Supports most vegetables & fruits

Last spring frost (32°F): 05/07
First fall frost (32°F): 10/14

Seasonal Overview

Comfort ZoneSpring36°57°11.0"Summer66°70°13.0"Fall40°62°10.9"Winter25°31°9.4"20°40°60°80°100°

National Comparison

Warmer than 24% of US counties
Wetter than 56% of US counties
More seasonal variation than 57% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Butler County

Climate Verdict

Butler County has a cool, averaging 48.3°F annually, moderately wet with 44.2 inches of annual precipitation, rare extreme heat with only 10.1 days above 90°F annually, moderate snowfall of 34.9 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 25.5°F. summers are pleasantly cool with July averaging 69.8°F. The 44°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Butler County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Butler County closely matches the Pennsylvania statewide average temperature of 49.8°F.

Climate Profile

About Butler County Weather

Cooler Climates in Western Pennsylvania

Butler County's 48.3°F average annual temperature sits below the national median. This reflects a typical humid continental profile common in the northern United States.

Trailing the State Temperature Average

At 48.3°F, Butler County is cooler than the Pennsylvania average of 49.9°F. The county experiences more traditional, colder winters than the metropolitan areas in the east.

Warmer and Drier Than Northern Clarion

Butler County stays warmer than neighboring Clarion County's 46.9°F average. It also records slightly less precipitation than the state average, totaling 44.2 inches annually.

Substantial Snow and Mild Summers

Winter brings 34.9 inches of snow, keeping the January average at a chilly 25.5°F. July is comfortable at 69.8°F, with only 10 days of extreme heat above 90°F annually.

Prioritize Winter Readiness and Heating

Invest in high-quality snow removal equipment to manage the nearly 35 inches of annual snowfall. Modern insulation helps maintain comfort during the 28.0°F winter average.

Frequently Asked Questions

What is the average temperature in Butler County?
The average annual temperature in Butler County, PA is 48.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Butler County get?
Butler County receives an average of 44.2 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 Butler County?
Yes, Butler County receives an average of 34.9 inches of snowfall per year according to NOAA climate normals.
How hot does Butler County get in summer?
The average summer temperature (June-August) in Butler County is 68.0°F. The county experiences an average of 10 days per year above 90°F.
How cold are winters in Butler County?
The average winter temperature (December-February) in Butler County is 28.0°F. January, typically the coldest month, averages 25.5°F.

Track your own weather in Butler 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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