Butler County Climate
Butler County, Pennsylvania
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
48.3°F
Annual Precip
44.2"
Annual Snowfall
34.9"
Extreme Heat Days
10
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
2,503
Supports most vegetables & fruits
Seasonal Overview
National Comparison
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
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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.