Anamosa Iowa Climate Data

Monthly Average Climate Data for Anamosa Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.7 °C-2.3 °C33.27 mm
February-9.7 °C0.2 °C38.35 mm
March-3.4 °C7.6 °C59.94 mm
April2.7 °C15.4 °C99.82 mm
May9.1 °C21.6 °C120.65 mm
June14.8 °C26.7 °C139.95 mm
July16.8 °C28.4 °C125.98 mm
August15.4 °C27.4 °C111.76 mm
September10.6 °C23.9 °C93.22 mm
October4.1 °C16.8 °C77.98 mm
November-2.4 °C8.2 °C58.67 mm
December-8.1 °C0.8 °C43.69 mm
Annual3.2 °C14.6 °C1003.28 mm

Climate Data for Anamosa 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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