Allison Iowa Climate Data

Monthly Average Climate Data for Allison Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.9 °C-3.6 °C23.88 mm
February-10.7 °C-1.1 °C27.18 mm
March-4.2 °C6.2 °C45.21 mm
April2.2 °C14.7 °C96.52 mm
May9.2 °C21.3 °C125.73 mm
June15.2 °C26.7 °C145.8 mm
July16.9 °C28.3 °C110.74 mm
August15.4 °C27.1 °C102.87 mm
September10.7 °C23.8 °C86.87 mm
October3.9 °C16.3 °C65.53 mm
November-3.1 °C7.1 °C44.2 mm
December-9.2 °C-0.4 °C34.29 mm
Annual2.8 °C13.9 °C908.82 mm

Climate Data for Allison 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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