Shelby County Climate
Shelby County, Kentucky
Avg Annual Temp
53.5°F
Annual Precip
49.8"
Annual Snowfall
—
Extreme Heat Days
34.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Shelby County Weather
A Typical American Middle-Ground
Shelby County's 53.5°F average temperature sits right at the national median. Its 49.8 inches of precipitation, however, is significantly higher than the average U.S. county.
One of Kentucky's Cooler Spots
The county is nearly three degrees cooler than the Kentucky state average of 56.2°F. It maintains a more temperate profile than many of its southern counterparts.
Drier than the State Average
With 49.8 inches of rain, Shelby is slightly drier than the Kentucky average of 50.6 inches. However, it still sees more extreme heat days than Russell County to the south.
Significant Summer Heat Spikes
Shelby faces 34 days of extreme heat above 90°F annually, concentrated in a summer that averages 73.1°F. Winters are cold, with January temperatures averaging a brisk 31.0°F.
Focus on HVAC Performance
The combination of freezing winters and over a month of 90-degree heat makes a reliable HVAC system vital. Ensure your home is well-insulated to handle the January lows.
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.