Ryan Iowa Climate Data

Monthly Average Climate Data for Ryan Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.9 °C-3.2 °C30.99 mm
February-10.8 °C-0.8 °C32.77 mm
March-4.4 °C6.6 °C53.34 mm
April1.8 °C14.3 °C99.06 mm
May8.4 °C20.8 °C116.84 mm
June14.3 °C26.1 °C152.4 mm
July16.1 °C27.9 °C116.84 mm
August14.7 °C26.8 °C118.36 mm
September9.8 °C23.3 °C99.57 mm
October3.2 °C15.9 °C77.22 mm
November-3.3 °C7.3 °C58.67 mm
December-9.2 °C0 °C41.66 mm
Annual2.3 °C13.8 °C997.72 mm

Climate Data for Ryan Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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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