Simpson County Climate
Simpson County, Kentucky
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.0°F
Annual Precip
53.9"
Annual Snowfall
—
Extreme Heat Days
44
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Simpson County
Climate Verdict
Simpson County has a mild, with an average annual temperature of 57.0°F, moderately wet with 53.9 inches of annual precipitation, occasional hot days — 44 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 35.1°F. summers are warm — July averages 77.6°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
Simpson County closely matches the Kentucky statewide average temperature of 56.0°F, it is somewhat wetter than average for Kentucky.
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.