Marble Rock Iowa Climate Data

Monthly Average Climate Data for Marble Rock Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.5 °F25.3 °F1.0 in.
February12.6 °F29.7 °F1.13 in.
March24.4 °F42.6 °F1.89 in.
April36.0 °F58.1 °F3.91 in.
May48.4 °F70.1 °F5.26 in.
June59.1 °F79.7 °F6.04 in.
July62.3 °F82.7 °F4.37 in.
August59.7 °F80.5 °F4.38 in.
September51.0 °F74.6 °F3.43 in.
October38.7 °F61.2 °F2.76 in.
November26.4 °F44.5 °F1.75 in.
December15.3 °F31.0 °F1.38 in.
Annual36.9 °F56.7 °F37.3 in.

Climate Data for Marble Rock Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°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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