Shelby County Climate

Shelby County, Kentucky

JanFebMarAprMayJunJulAugSepOctNovDec53.5°AVG °F

Avg Annual Temp

53.5°F

Annual Precip

49.8"

Annual Snowfall

Extreme Heat Days

34.2

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
4.2"
3.8"
4.7"
4.0"
5.2"
5.2"
4.1"
3.7"
3.5"
3.5"
3.5"
4.5"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring43°63°13.8"Summer72°75°13.0"Fall43°66°10.5"Winter31°35°12.5"20°40°60°80°100°

National Comparison

Warmer than 45% of US counties
Wetter than 72% of US counties
More seasonal variation than 50% of US counties

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

What is the average temperature in Shelby County?
The average annual temperature in Shelby County, KY is 53.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Shelby County get?
Shelby County receives an average of 49.8 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Shelby County get in summer?
The average summer temperature (June-August) in Shelby County is 73.1°F. The county experiences an average of 34.2 days per year above 90°F.
How cold are winters in Shelby County?
The average winter temperature (December-February) in Shelby County is 33.4°F. January, typically the coldest month, averages 31.0°F.

Track your own weather in Shelby 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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