Thurman Iowa Climate Data

Monthly Average Climate Data for Thurman Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.6 °C0.7 °C19.81 mm
February-8.3 °C3.6 °C26.67 mm
March-2.2 °C10.8 °C45.72 mm
April3.7 °C17.6 °C84.33 mm
May10.6 °C23.2 °C137.16 mm
June16.5 °C28.3 °C128.02 mm
July18.7 °C30.3 °C102.87 mm
August17.1 °C29.4 °C89.15 mm
September11.7 °C25.9 °C78.49 mm
October4.7 °C19.2 °C67.31 mm
November-2.4 °C10.3 °C39.88 mm
December-7.8 °C3.3 °C30.73 mm
Annual4.3 °C16.9 °C850.14 mm

Climate Data for Thurman Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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