ClimateAverages

Cedar Rapids Climate

Iowa, United States of America · population 130,405 · 285 weather stations within 200 km · records 1790 to 2025

Average annual daytime high
14.4°C
Warmest month · July
28.9°C
Typical daytime high
Coldest month · January
-13.3°C
Typical overnight low

Cedar Rapids has an average annual daytime high of 14.4°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 28.9°C, and its coldest is January, with overnight lows near -13.3°C.

Month by month averages

MonthAvg highAvg low
January-3.3°C-13.3°CColdest
February0.1°C-10.1°C
March6.2°C-4.4°C
April15.5°C2.8°C
May22.0°C9.1°C
June26.8°C14.3°C
July28.9°C16.6°CWarmest
August28.0°C15.5°C
September23.7°C10.6°C
October17.4°C4.3°C
November8.0°C-2.6°C
December0.2°C-9.1°C

Temperature range across the year

-15°-4°8°19°31°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2011
+2.9°C vs. 1951–1980
Coldest year on record
1842
-3.3°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Cedar Rapids getting hotter?

Since 1900, Cedar Rapids's average temperature has risen by +2.2°C. Compared to the earliest station records that begin in 1790, warming totals +2.2°C.

7.9°8.6°9.3°10.0°10.6°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
April to October

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Cedar Rapids?

Cedar Rapids's average annual daytime high is 14.4°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 28.9°C, and the coldest is January, with lows averaging -13.3°C.

What is the warmest month in Cedar Rapids?

July is the warmest month in Cedar Rapids, with typical daytime highs of 28.9°C.

What is the hottest year on record for Cedar Rapids?

2011 is the hottest year on record for Cedar Rapids, running +2.9°C above the 1951 to 1980 baseline.

Is Cedar Rapids getting hotter?

Yes. Since 1900, Cedar Rapids has warmed by roughly +2.2°C.

When is the best time to visit Cedar Rapids?

April to October typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.