Cedar County Climate

Cedar County, Iowa

JanFebMarAprMayJunJulAugSepOctNovDec49.1°AVG °F

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

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.5"
1.6"
2.5"
3.9"
4.6"
4.9"
4.3"
4.0"
3.5"
3.1"
2.3"
1.8"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring37°61°11.0"Summer71°74°13.2"Fall38°64°8.9"Winter20°26°4.9"20°40°60°80°100°

National Comparison

Warmer than 27% of US counties
Wetter than 41% of US counties
More seasonal variation than 84% of US counties

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

What is the average temperature in Cedar County?
The average annual temperature in Cedar County, IA is 49.1°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Cedar County get?
Cedar County receives an average of 38.0 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 Cedar County?
Yes, Cedar County receives an average of 39.8 inches of snowfall per year according to NOAA climate normals.
How hot does Cedar County get in summer?
The average summer temperature (June-August) in Cedar County is 72.1°F. The county experiences an average of 14.6 days per year above 90°F.
How cold are winters in Cedar County?
The average winter temperature (December-February) in Cedar County is 23.7°F. January, typically the coldest month, averages 20.3°F.

Track your own weather in Cedar County

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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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