Newhall Iowa Climate Data

Monthly Average Climate Data for Newhall Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.6 °C-2.3 °C28.96 mm
February-9.6 °C0.2 °C32.77 mm
March-3.3 °C7.6 °C53.85 mm
April2.8 °C15.5 °C95.5 mm
May9.6 °C21.6 °C119.63 mm
June15.4 °C26.8 °C139.45 mm
July17.2 °C28.6 °C110.74 mm
August15.8 °C27.6 °C109.73 mm
September10.9 °C24.2 °C93.47 mm
October4.3 °C16.9 °C73.66 mm
November-2.4 °C8.2 °C54.61 mm
December-8.2 °C0.8 °C40.64 mm
Annual3.4 °C14.6 °C953.01 mm

Climate Data for Newhall Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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