Climate change in Shelby County, Kentucky
Since 1979, Shelby County, Kentucky has warmed 3.0°F, with 6 more days above 90°F, 7 more nights above 70°F and 25% more precipitation a year. Its climate in 1996–2025 is most like Bullitt County, KY's was in 1951–1980.
- Average temperature: +3.0°F
- Summer highs (Jun–Aug): +1.2°F
- Winter lows (Dec–Feb): +4.2°F
- Precipitation: +25%
- Wettest day of the year: +13%
- Longest dry spell: −0 days
- Days above 90°F: +6 days
- Nights above 70°F: +7 days
- Freezing nights: −19 days
- Frost-free season: +9 days
- Muggy days: +9 days
- Summer heat index (Jun–Aug): +2.2°F
- Extreme fire-weather days: +7 days
- Snowfall: +8%
- Snowy days (1 inch or more): +2 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.