Boone County Climate

Boone County, Indiana

JanFebMarAprMayJunJulAugSepOctNovDec51.5°AVG °F

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

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.7"
2.4"
3.1"
4.4"
4.6"
4.8"
4.3"
3.2"
3.2"
3.2"
3.4"
2.8"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring40°62°12.1"Summer71°73°12.3"Fall42°66°9.8"Winter26°31°8.0"20°40°60°80°100°

National Comparison

Warmer than 38% of US counties
Wetter than 50% of US counties
More seasonal variation than 64% of US counties

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

What is the average temperature in Boone County?
The average annual temperature in Boone County, IN is 51.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Boone County get?
Boone County receives an average of 42.2 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Boone County?
Yes, Boone County receives an average of 18.0 inches of snowfall per year according to NOAA climate normals.
How hot does Boone County get in summer?
The average summer temperature (June-August) in Boone County is 71.9°F. The county experiences an average of 14.4 days per year above 90°F.
How cold are winters in Boone County?
The average winter temperature (December-February) in Boone County is 29.1°F. January, typically the coldest month, averages 26.1°F.

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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.

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