Grant County Climate
Grant County, Kentucky
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.4°F
Annual Precip
45.1"
Annual Snowfall
16.0"
Extreme Heat Days
23
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
4,117
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Grant County
Climate Verdict
Grant County has a mild, with an average annual temperature of 56.4°F, moderately wet with 45.1 inches of annual precipitation, occasional hot days — 23.3 per year above 90°F, light snow averaging 16.0 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 76.7°F. The 43°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
Grant County closely matches the Kentucky statewide average temperature of 56.0°F, it is also noticeably drier, receiving 5.3 inches less precipitation than the state average.
Climate Profile
About Grant County Weather
Moderate Temperature, Lower Rain
Grant County averages 56.4°F annually, which is warmer than the national median. This is paired with relatively low precipitation compared to other regions of the Mid-South.
Just Above State Norms
The county's 56.4°F average is slightly higher than the Kentucky state average of 56.2°F. Despite its northern position, it maintains a warmer thermal profile than some southern neighbors.
Drier than Most Neighbors
Grant receives only 45.1 inches of rain per year, which is 5.5 inches less than the state average. This makes it one of the driest counties in this eight-county region.
High Snow and Extreme Heat
The county sees a heavy 16.0 inches of snow annually, the highest in this group. This is offset by 23 days of extreme heat over 90°F during the summer months.
Winter Tires and Irrigation
Prepare for the 16 inches of snow with reliable shovels and winter tires. Gardeners should plan for irrigation to compensate for the lower-than-average 45.1 inches of annual rainfall.
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.