Houghton Iowa Climate Data

Monthly Average Climate Data for Houghton Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.9 °C0.3 °C38.35 mm
February-6.9 °C2.9 °C45.97 mm
March-1.2 °C9.9 °C62.48 mm
April4.9 °C17.2 °C95.25 mm
May11.4 °C22.9 °C132.08 mm
June16.8 °C28.1 °C125.48 mm
July18.9 °C30.1 °C105.66 mm
August17.7 °C29.2 °C93.22 mm
September12.9 °C25.6 °C93.73 mm
October6.4 °C18.4 °C75.95 mm
November0 °C10.1 °C59.94 mm
December-5.7 °C3.2 °C46.48 mm
Annual5.5 °C16.5 °C974.59 mm

Climate Data for Houghton Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°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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