Hamilton Ohio Climate Data

Monthly Average Climate Data for Hamilton Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.2 °C4.2 °C80.26 mm
February-4 °C6.5 °C63.75 mm
March0.2 °C11.9 °C93.22 mm
April5.8 °C18.9 °C112.27 mm
May11.7 °C24.2 °C114.55 mm
June16.7 °C28.6 °C113.03 mm
July18.5 °C30.4 °C98.3 mm
August17.6 °C30.1 °C78.99 mm
September13 °C26.8 °C73.91 mm
October6.6 °C20.2 °C80.77 mm
November0.8 °C12.7 °C77.98 mm
December-2.4 °C6.6 °C82.8 mm
Annual6.6 °C18.4 °C1069.83 mm

Climate Data for Hamilton Ohio

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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