Clarion County Climate
Clarion County, Pennsylvania
Avg Annual Temp
46.9°F
Annual Precip
46.8"
Annual Snowfall
—
Extreme Heat Days
5.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.