Cedar County Climate
Cedar County, Iowa
Avg Annual Temp
49.1°F
Annual Precip
38.0"
Annual Snowfall
39.8"
Extreme Heat Days
14.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Cedar County Weather
Warm and Wet Eastern Iowa
Cedar County averages 49.1°F annually, making it nearly as warm as Cass County and closer to the 53°F national median. It is characterized by high humidity and significant seasonal precipitation.
High Precipitation and Above Average Heat
The county exceeds the state average temperature of 48.0°F by 1.1 degrees. It also receives 38.0 inches of precipitation, nearly two inches more than the Iowa average.
The Snowiest in the Region
While it shares a 49.1°F average temperature with southern neighbors, it records a substantial 39.8 inches of snowfall. This is significantly higher than the 27.3 inches seen in Cass County.
Hot Summers and Heavy Snow
Summer temperatures average 72.1°F with 15 days over 90°F. Despite the warmth, winter brings nearly 40 inches of snow and a January average of 20.3°F.
Ready the Heavy Snow Equipment
With almost 40 inches of annual snowfall, a heavy-duty snowblower is a vital investment for local residents. The 38 inches of total precipitation also means checking sump pumps before the spring thaw is essential.
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.