Dyersville Iowa Climate Data

Monthly Average Climate Data for Dyersville Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.7 °C-3.1 °C31.5 mm
February-10.7 °C-0.6 °C35.31 mm
March-4.2 °C6.7 °C54.1 mm
April1.9 °C14.4 °C98.3 mm
May8.5 °C20.8 °C116.33 mm
June14.3 °C26.1 °C148.34 mm
July16.2 °C27.8 °C121.16 mm
August14.9 °C26.9 °C107.95 mm
September9.9 °C23.2 °C95.5 mm
October3.4 °C16 °C76.71 mm
November-3.1 °C7.3 °C56.9 mm
December-8.9 °C0.1 °C42.67 mm
Annual2.5 °C13.8 °C984.77 mm

Climate Data for Dyersville 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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