Hamilton Ohio Climate Data

Monthly Average Climate Data for Hamilton Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.7 °F39.6 °F3.16 in.
February24.8 °F43.7 °F2.51 in.
March32.4 °F53.5 °F3.67 in.
April42.5 °F66.1 °F4.42 in.
May53.0 °F75.5 °F4.51 in.
June62.0 °F83.4 °F4.45 in.
July65.3 °F86.7 °F3.87 in.
August63.7 °F86.1 °F3.11 in.
September55.4 °F80.2 °F2.91 in.
October43.8 °F68.3 °F3.18 in.
November33.5 °F54.8 °F3.07 in.
December27.6 °F43.9 °F3.26 in.
Annual43.9 °F65.2 °F42.12 in.

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 : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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