Rockcastle County Climate
Rockcastle County, Kentucky
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
55.3°F
Annual Precip
51.4"
Annual Snowfall
10.9"
Extreme Heat Days
13
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,839
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Rockcastle County
Climate Verdict
Rockcastle County has a mild, with an average annual temperature of 55.3°F, moderately wet with 51.4 inches of annual precipitation, rare extreme heat with only 13.3 days above 90°F annually, light snow averaging 10.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 33.4°F. summers are warm — July averages 75.2°F. The 42°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Rockcastle County closely matches the Kentucky statewide average temperature of 56.0°F, the county experiences 16.365934065934063 fewer extreme heat days than the state average.
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 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.