Thurman Iowa Climate Data

Monthly Average Climate Data for Thurman Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.0 °F33.2 °F0.78 in.
February17.1 °F38.5 °F1.05 in.
March28.1 °F51.5 °F1.8 in.
April38.6 °F63.6 °F3.32 in.
May51.1 °F73.7 °F5.4 in.
June61.7 °F83.0 °F5.04 in.
July65.6 °F86.5 °F4.05 in.
August62.8 °F85.0 °F3.51 in.
September53.1 °F78.7 °F3.09 in.
October40.5 °F66.6 °F2.65 in.
November27.7 °F50.5 °F1.57 in.
December17.9 °F37.9 °F1.21 in.
Annual39.8 °F62.4 °F33.47 in.

Climate Data for Thurman Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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