Dayton Ohio Climate Data

Monthly Average Climate Data for Dayton Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.7 °C2.9 °C79.76 mm
February-4.4 °C5.1 °C59.69 mm
March-0.1 °C10.7 °C87.88 mm
April5.8 °C17.9 °C111.25 mm
May12.1 °C23.6 °C113.28 mm
June17 °C28.3 °C115.57 mm
July18.8 °C29.9 °C103.38 mm
August17.7 °C29.5 °C75.95 mm
September13.4 °C26 °C78.23 mm
October6.8 °C19.3 °C73.91 mm
November1.3 °C11.6 °C76.45 mm
December-2.9 °C5.3 °C79.25 mm
Annual6.7 °C17.5 °C1054.6 mm

Climate Data for Dayton Ohio

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
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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