Fayette County Climate
Fayette County, Pennsylvania
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
Precipitation Calendar
Seasonal Overview
National Comparison
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
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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.