Fayette County Climate

Fayette County, Pennsylvania

JanFebMarAprMayJunJulAugSepOctNovDec50.6°AVG °F

Avg Annual Temp

50.6°F

Annual Precip

47.3"

Annual Snowfall

39.9"

Extreme Heat Days

11.125

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.6"
3.1"
4.0"
4.1"
4.6"
5.0"
4.6"
4.1"
3.9"
3.4"
3.4"
3.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring39°60°12.7"Summer68°72°13.6"Fall41°64°10.6"Winter29°33°10.3"20°40°60°80°100°

National Comparison

Warmer than 33% of US counties
Wetter than 64% of US counties
More seasonal variation than 46% of US counties

Climate Profile

About Fayette County Weather

Temperate Continental Shifts

Fayette's 50.6°F annual average is slightly cooler than the national median but highlights a classic temperate continental climate. This balance provides distinct, predictable seasonal shifts common to the Mid-Atlantic.

Warmer Than the State Norm

The county is warmer than the Pennsylvania average of 49.9°F, placing it among the state's more temperate southern regions. It receives 47.3 inches of precipitation, which is two inches higher than the state mean.

A Southern Pennsylvania Gateway

Fayette’s 50.6°F average is significantly warmer than Jefferson’s 47.7°F but stays cooler than neighboring Greene’s 51.5°F. It bridges the gap between the colder northern highlands and the warmer southern border.

Balanced Heat and Snow

July highs reach a comfortable 71.6°F, though the area sees 11 days of extreme heat over 90°F. Winters are manageable compared to the north, with 39.9 inches of annual snow.

Manage the High Rainfall

Homeowners should maintain versatile HVAC systems for humid summers and prepare for 47 inches of rain. Ensure proper basement drainage and gutter maintenance to handle the higher-than-average precipitation.

Frequently Asked Questions

What is the average temperature in Fayette County?
The average annual temperature in Fayette County, PA is 50.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Fayette County get?
Fayette County receives an average of 47.3 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 Fayette County?
Yes, Fayette County receives an average of 39.9 inches of snowfall per year according to NOAA climate normals.
How hot does Fayette County get in summer?
The average summer temperature (June-August) in Fayette County is 69.8°F. The county experiences an average of 11.125 days per year above 90°F.
How cold are winters in Fayette County?
The average winter temperature (December-February) in Fayette County is 30.9°F. January, typically the coldest month, averages 28.6°F.

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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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