Rockcastle County Climate
Rockcastle County, Kentucky
Avg Annual Temp
55.3°F
Annual Precip
51.4"
Annual Snowfall
10.9"
Extreme Heat Days
13.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Rockcastle County Weather
Temperate Climate with High Snowfall
Rockcastle County averages 55.3°F annually, aligning with the temperate U.S. climate. Its 10.9 inches of annual snowfall is notably higher than the median for this latitude.
Cooler than the Kentucky Average
The county's 55.3°F average is nearly a degree cooler than the Kentucky state average of 56.2°F. It represents the cooler, more rugged terrain of the Cumberland Plateau.
Snowier than Southern Neighbors
With 10.9 inches of snow, Rockcastle is significantly whiter in winter than Pulaski County. It also experiences far fewer extreme heat days (13) than western Kentucky counties.
Brisk Winters and Gentle Summers
Winters are cold with 10.9 inches of snow and a 33.4°F January average. Summers are pleasant, with only 13 days reaching 90°F and a July average of 75.2°F.
Winterize for Heavy Snow
Residents should prioritize winter home prep and snow removal equipment for the double-digit snowfall. Summer cooling needs are lower here than in most other Kentucky counties.
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.