Martin County Climate
Martin County, Kentucky
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
55.0°F
Annual Precip
47.7"
Annual Snowfall
—
Extreme Heat Days
22
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,670
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Martin County
Climate Verdict
Martin County has a mild, with an average annual temperature of 55.0°F, moderately wet with 47.7 inches of annual precipitation, occasional hot days — 22 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 34.0°F. summers are warm — July averages 74.9°F. The 41°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
Martin County closely matches the Kentucky statewide average temperature of 56.0°F, it is somewhat drier than average for Kentucky.
Climate Profile
About Martin County Weather
Moderate Temperatures in the Appalachian Foothills
Martin County's annual average temperature of 55.0°F aligns closely with the national median. The climate is humid and temperate, typical of the central Appalachian region.
Cooler Than the Kentucky Average
The county stays cooler than the Kentucky state average of 56.2°F by over a degree. This temperature gap is most noticeable during the winter months in eastern Kentucky.
Drier Than Many Kentucky Peers
Martin County receives 47.7 inches of rain annually, which is notably lower than the state average of 50.6 inches. It is also cooler and drier than western Kentucky counties like Marshall.
Mild Summers and Chilly Winters
The county experiences 22 extreme heat days per year, with July temperatures averaging a comfortable 74.9°F. Winters are cold, with January averages dipping to 34.0°F.
Focus on Winter Readiness
With lower heat risks than the rest of the state, residents should focus on home insulation for the cold winter months. While annual snowfall data is limited, the sub-freezing January nights require reliable heating.
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.