Warren County Climate
Warren County, Iowa
Avg Annual Temp
49.9°F
Annual Precip
37.8"
Annual Snowfall
30.8"
Extreme Heat Days
17.8
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Warren County Weather
Warren County's Mid-Latitude Climate
Warren County maintains an annual average temperature of 49.9°F, roughly four degrees below the national median. Its position in the heart of the country creates a true continental weather pattern.
Typical Temperatures for Central Iowa
The county's 49.9°F average is slightly warmer than the state's 48.0°F mark. Annual precipitation of 37.8 inches also tracks closely with the Iowa state average of 36.1 inches.
Colder Winters Than Southern Neighbors
While Warren averages 49.9°F, it is cooler than neighboring Wapello at 50.7°F. Snowfall is also heavier here than in the south, reaching 30.8 inches annually.
Snowy Winters and Humid Summers
Winter snowfall hits 30.8 inches, significantly more than the counties to the southeast. Summer features a July average of 74.7°F with about 18 days reaching 90°F or higher.
Invest in Heavy Winter Gear
With over 30 inches of annual snow, a powerful snowblower is a wise investment for local homeowners. Ensure your heating system is serviced before January, when temperatures drop to an average of 21.7°F.
Frequently Asked Questions
What is the average temperature in Warren County?
How much rain does Warren County get?
Does it snow in Warren County?
How hot does Warren County get in summer?
How cold are winters in Warren County?
Track your own weather in Warren 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.