Fayette County Climate
Fayette County, Pennsylvania
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
50.6°F
Annual Precip
47.3"
Annual Snowfall
39.9"
Extreme Heat Days
11
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
2,899
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Fayette County
Climate Verdict
Fayette County has a mild, with an average annual temperature of 50.6°F, moderately wet with 47.3 inches of annual precipitation, rare extreme heat with only 11.125 days above 90°F annually, moderate snowfall of 39.9 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 28.6°F. summers are warm — July averages 71.6°F. The 43°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Fayette County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Fayette County closely matches the Pennsylvania statewide average temperature of 49.8°F, it is somewhat wetter than average for Pennsylvania.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.