Harris Iowa Climate Data

Monthly Average Climate Data for Harris Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.3 °F23.4 °F0.76 in.
February10.3 °F27.8 °F0.92 in.
March22.0 °F40.6 °F1.59 in.
April34.2 °F56.0 °F3.28 in.
May47.1 °F68.9 °F4.35 in.
June58.4 °F79.2 °F4.87 in.
July62.1 °F83.1 °F3.59 in.
August59.5 °F80.3 °F3.6 in.
September50.8 °F73.7 °F3.13 in.
October37.5 °F59.8 °F2.38 in.
November24.2 °F42.6 °F1.39 in.
December12.4 °F28.5 °F1.05 in.
Annual35.4 °F55.3 °F30.91 in.

Climate Data for Harris 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 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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