Clarion County Climate
Clarion County, Pennsylvania
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
46.9°F
Annual Precip
46.8"
Annual Snowfall
—
Extreme Heat Days
6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
2,289
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Clarion County
Climate Verdict
Clarion County has a cool, averaging 46.9°F annually, moderately wet with 46.8 inches of annual precipitation, rare extreme heat with only 5.5 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 23.3°F. summers are pleasantly cool with July averaging 68.7°F. The 45°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Clarion County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Clarion County closely matches the Pennsylvania statewide average temperature of 49.8°F.
Climate Profile
About Clarion County Weather
Cooler Than the National Median
Clarion County averages 46.9°F, making it one of the cooler spots in the continental United States. The region is defined by its brisk humid continental climate.
Among Pennsylvania's Coldest Regions
The county's 46.9°F average is three degrees below the state average of 49.9°F. It experiences much harsher winter conditions than the southern parts of Pennsylvania.
Cooler Than Neighboring Butler County
Clarion County averages 46.9°F, which is noticeably cooler than Butler County's 48.3°F. It also receives 46.8 inches of annual precipitation, slightly above the state norm.
Cold Winters and Brief Summers
While specific snowfall data is limited, the 23.3°F January average ensures a frozen winter season. Summers are mild, with a July peak of 68.7°F and only 6 days of extreme heat.
Prioritize Heating and Winter Prep
Focus on high-efficiency heating systems to combat the 25.9°F winter average. With only 6 extreme heat days, residents can often rely on natural ventilation instead of air conditioning.
Frequently Asked Questions
What is the average temperature in Clarion 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.