McKean County Climate

McKean County, Pennsylvania

JanFebMarAprMayJunJulAugSepOctNovDec45.1°AVG °F

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

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.4"
2.6"
3.3"
4.0"
4.4"
4.5"
4.6"
4.4"
4.0"
4.1"
3.7"
3.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring32°55°11.7"Summer63°67°13.5"Fall37°59°11.8"Winter22°28°9.7"20°40°60°80°100°

National Comparison

Warmer than 13% of US counties
Wetter than 62% of US counties
More seasonal variation than 52% of US counties

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

What is the average temperature in McKean County?
The average annual temperature in McKean County, PA is 45.1°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does McKean County get?
McKean County receives an average of 46.7 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 McKean County?
Yes, McKean County receives an average of 75.7 inches of snowfall per year according to NOAA climate normals.
How hot does McKean County get in summer?
The average summer temperature (June-August) in McKean County is 64.9°F. The county experiences an average of 1.06 days per year above 90°F.
How cold are winters in McKean County?
The average winter temperature (December-February) in McKean County is 24.4°F. January, typically the coldest month, averages 22.0°F.

Track your own weather in McKean County

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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.

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