Dow City Iowa Climate Data

Monthly Average Climate Data for Dow City Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.7 °F29.5 °F0.73 in.
February14.7 °F34.5 °F0.94 in.
March25.9 °F47.7 °F1.8 in.
April36.4 °F61.1 °F3.43 in.
May48.8 °F71.8 °F4.67 in.
June59.6 °F81.7 °F4.89 in.
July63.4 °F84.7 °F3.88 in.
August60.5 °F82.6 °F4.28 in.
September51.3 °F76.8 °F3.23 in.
October38.8 °F64.0 °F2.45 in.
November26.0 °F47.8 °F1.42 in.
December16.0 °F34.6 °F1.2 in.
Annual37.7 °F59.7 °F32.92 in.

Climate Data for Dow City Iowa

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