Tiffin Iowa Climate Data

Monthly Average Climate Data for Tiffin Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.7 °C-1.3 °C30.23 mm
February-8.6 °C1.2 °C36.32 mm
March-2.6 °C8.5 °C56.9 mm
April3.7 °C16.3 °C95.76 mm
May10.3 °C22.3 °C119.13 mm
June15.9 °C27.3 °C134.62 mm
July17.9 °C29.2 °C111.25 mm
August16.4 °C28.2 °C107.95 mm
September11.6 °C24.9 °C89.66 mm
October4.9 °C17.6 °C74.42 mm
November-1.7 °C9 °C55.88 mm
December-7.4 °C1.6 °C42.16 mm
Annual4.1 °C15.4 °C954.28 mm

Climate Data for Tiffin 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 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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