Letcher County Climate
Letcher County, Kentucky
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.0°F
Annual Precip
49.9"
Annual Snowfall
16.7"
Extreme Heat Days
15
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,809
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Letcher County
Climate Verdict
Letcher County has a mild, with an average annual temperature of 56.0°F, moderately wet with 49.9 inches of annual precipitation, rare extreme heat with only 15.3 days above 90°F annually, light snow averaging 16.7 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 35.5°F. summers are warm — July averages 74.8°F. The 39°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
Letcher County closely matches the Kentucky statewide average temperature of 56.0°F.
Climate Profile
About Letcher County Weather
Warm and wet national comparison
Letcher County's 56.0°F average temperature sits comfortably above the national median. Its humid climate delivers nearly 50 inches of rain annually, which is far wetter than the US average.
Mirroring state weather patterns
The county temperature is nearly identical to the Kentucky state average of 56.2°F. It also matches state precipitation trends, falling just shy of the 50.6-inch state mean.
Snowier but cooler than Madison
Letcher is cooler than Madison County, but it receives over 15 more inches of annual snow. It also sees fewer extreme heat days than any other county in this group, with only 15.
Moderate summers and snowy winters
Summer temperatures are moderate, averaging 73.5°F and yielding only 15 days above 90°F. However, winters are snowy, with 16.7 inches of accumulation and January lows near 35.5°F.
Focus on winter vehicle prep
Focus on winter vehicle maintenance to navigate the 16.7 inches of annual snow. The lower frequency of extreme heat days makes this a more outdoor-friendly summer location than western neighbors.
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.