Boone County Climate
Boone County, Iowa
Avg Annual Temp
48.8°F
Annual Precip
37.5"
Annual Snowfall
34.3"
Extreme Heat Days
15.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Boone County Weather
A Classic Humid Continental Pattern
Boone County averages 48.8°F, staying below the national median of 53°F. It experiences a classic weather pattern with 37.5 inches of precipitation.
Typical Temperatures for Middle Iowa
At 48.8°F, it is slightly warmer than the Iowa average of 48.0°F. It represents the temperate middle ground of the state's climate.
Wetter Conditions than Western Neighbors
Its 37.5 inches of precipitation is higher than neighbor Audubon. It tracks closely with Black Hawk in terms of temperature and annual heat days.
Cold Januaries and Hot Julys
Winters bring 34.3 inches of snow and a 19.5°F average in January. Summers are warm, featuring 15 days of temperatures exceeding 90°F.
Preparing for Large Seasonal Swings
Budget for both significant heating and cooling due to the sharp seasonal shifts. Reliable snow removal is essential for managing the 34.3 inches of annual accumulation.
Frequently Asked Questions
What is the average temperature in Boone County?
How much rain does Boone County get?
Does it snow in Boone County?
How hot does Boone County get in summer?
How cold are winters in Boone County?
Track your own weather in Boone County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.