Calamus Iowa Climate Data

Monthly Average Climate Data for Calamus Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.0 °F29.4 °F1.3 in.
February16.6 °F33.9 °F1.54 in.
March27.5 °F46.9 °F2.44 in.
April38.7 °F60.6 °F3.89 in.
May50.6 °F71.8 °F4.77 in.
June60.7 °F81.1 °F4.97 in.
July64.1 °F84.1 °F4.33 in.
August61.9 °F82.3 °F4.55 in.
September53.4 °F76.5 °F3.98 in.
October41.7 °F63.5 °F3.09 in.
November29.7 °F48.1 °F2.19 in.
December19.3 °F35.0 °F1.79 in.
Annual39.8 °F59.4 °F38.84 in.

Climate Data for Calamus Iowa

Average First Frost DateOct. 11 - Oct. 20
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 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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