Cedar Rapids Iowa Climate Data

Monthly Average Climate Data for Cedar Rapids Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.7 °F28.5 °F1.21 in.
February15.5 °F33.0 °F1.4 in.
March26.6 °F46.3 °F2.15 in.
April37.7 °F60.9 °F3.89 in.
May49.5 °F71.7 °F4.8 in.
June59.8 °F80.9 °F5.58 in.
July63.2 °F83.9 °F4.47 in.
August60.7 °F82.2 °F4.4 in.
September52.1 °F76.1 °F3.98 in.
October40.2 °F63.1 °F2.98 in.
November28.4 °F47.2 °F2.32 in.
December17.9 °F33.9 °F1.72 in.
Annual38.6 °F59 °F38.9 in.

Climate Data for Cedar Rapids Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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