Grant County Climate
Grant County, Kentucky
Avg Annual Temp
56.4°F
Annual Precip
45.1"
Annual Snowfall
16.0"
Extreme Heat Days
23.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.