Deep River Iowa Climate Data

Monthly Average Climate Data for Deep River Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.2 °C-1.9 °C28.45 mm
February-9.2 °C0.8 °C35.05 mm
March-3.1 °C8.1 °C54.36 mm
April3.1 °C15.6 °C94.49 mm
May10.1 °C21.8 °C123.95 mm
June16.1 °C27.3 °C136.65 mm
July17.8 °C29.2 °C109.47 mm
August16.3 °C28.1 °C111 mm
September11.3 °C24.4 °C90.42 mm
October4.6 °C17.2 °C72.39 mm
November-2.1 °C8.4 °C54.36 mm
December-7.8 °C1.3 °C39.12 mm
Annual3.8 °C15 °C949.71 mm

Climate Data for Deep River Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°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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