Underwood Iowa Climate Data

Monthly Average Climate Data for Underwood Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.8 °F31.8 °F0.71 in.
February16.8 °F36.7 °F0.98 in.
March27.7 °F49.7 °F1.78 in.
April38.6 °F62.7 °F3.38 in.
May50.9 °F73.0 °F5.34 in.
June61.6 °F82.9 °F5.11 in.
July65.6 °F86.5 °F3.75 in.
August62.9 °F84.5 °F4.08 in.
September53.5 °F78.2 °F3.08 in.
October40.8 °F65.2 °F2.66 in.
November28.2 °F49.1 °F1.55 in.
December18.1 °F36.2 °F1.36 in.
Annual39.8 °F61.4 °F33.78 in.

Climate Data for Underwood Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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