McKean County Climate
McKean County, Pennsylvania
Avg Annual Temp
45.1°F
Annual Precip
46.7"
Annual Snowfall
75.7"
Extreme Heat Days
1.06
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About McKean County Weather
Among the Coolest in the Nation
McKean County’s 45.1°F average temperature is far below the national median. It features a cold humid continental climate characterized by long, snowy winters and very brief summers.
Pennsylvania's Cold Weather Peak
The county is nearly 5 degrees cooler than the state average of 49.9°F. It frequently records some of the lowest temperatures in the Commonwealth due to its northern plateau location.
Extraordinary Snowfall Totals
McKean receives a massive 75.7 inches of snow annually, more than doubling the 34.2 inches seen in Lycoming. This makes it one of the premier locations for winter weather in the region.
A Year of Winter and Mild Sun
Extreme heat is virtually non-existent here, with only 1 day over 90°F per year. Winter dominates the calendar with a 24.4°F average and a January low of 22.0°F.
Invest in Heavy Winter Gear
High-grade insulation and professional snow removal equipment are vital for the 75.7 inches of annual snow. Cooling is rarely needed, as July temperatures average a comfortable 66.6°F.
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.