Osceola County Climate
Osceola County, Iowa
Avg Annual Temp
44.5°F
Annual Precip
30.5"
Annual Snowfall
43.5"
Extreme Heat Days
9.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Osceola County Weather
One of the Region's Coldest
Osceola County averages just 44.5°F annually, which is among the lowest in the Midwest and far below the national median. It receives 30.5 inches of precipitation.
Deep Below the State Mean
Osceola sits 3.5 degrees below the Iowa average of 48.0°F. This gap is driven by a very low January average temperature of 13.9°F.
The Coldest of Neighbors
Osceola is the coldest county in this group, averaging over 6 degrees less than Mills. It is even colder and snowier than its neighbor O'Brien.
Intense Winter, Rare Heat
With 43.5 inches of snow and only 10 days of extreme heat, winter is the dominant season. The winter average temperature is a frigid 17.3°F.
Prioritize Home Heating
Focus your home maintenance budget on high-efficiency heating and insulation to withstand the 13.9°F January lows. Snow management is a major consideration for the 43.5 inches of annual accumulation.
Frequently Asked Questions
What is the average temperature in Osceola County?
How much rain does Osceola County get?
Does it snow in Osceola County?
How hot does Osceola County get in summer?
How cold are winters in Osceola County?
Track your own weather in Osceola 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.