Letcher County Climate
Letcher County, Kentucky
Avg Annual Temp
56.0°F
Annual Precip
49.9"
Annual Snowfall
16.7"
Extreme Heat Days
15.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.