Boone County Climate
Boone County, Indiana
Avg Annual Temp
51.5°F
Annual Precip
42.2"
Annual Snowfall
18.0"
Extreme Heat Days
14.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Boone County Weather
Balanced Humid Continental Weather Patterns
Boone County's 51.5°F average annual temperature is just below the national median. This humid continental area experiences a balanced mix of seasonal extremes.
Tracking Closely With State Averages
Boone tracks slightly cooler than the Indiana state average of 52.2°F. Its 42.2 inches of annual precipitation is close to the statewide norm of 43.9 inches.
Cooler and Drier Than Bartholomew
Boone is cooler and drier than its southern neighbor Bartholomew, which averages 54.1°F. It sees significantly less snow than northern counties, with only 18 inches annually.
Pleasant Summers and Moderate Snowfall
July averages a pleasant 73.2°F with 14 days of extreme heat. Winters are cold but not excessively snowy, averaging 18.0 inches of snow and a 26.1°F January low.
Balanced HVAC for Year-Round Comfort
Homeowners should balance their HVAC needs between the 14 days of high heat and the cold 29.1°F winter average. Modern insulation helps manage the moderate 18 inches of snowfall.
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.