Dayton Ohio Climate Data

Monthly Average Climate Data for Dayton Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.8 °F37.2 °F3.14 in.
February24.1 °F41.1 °F2.35 in.
March31.8 °F51.2 °F3.46 in.
April42.5 °F64.3 °F4.38 in.
May53.7 °F74.5 °F4.46 in.
June62.6 °F82.9 °F4.55 in.
July65.8 °F85.9 °F4.07 in.
August63.9 °F85.1 °F2.99 in.
September56.2 °F78.8 °F3.08 in.
October44.3 °F66.7 °F2.91 in.
November34.3 °F52.8 °F3.01 in.
December26.7 °F41.6 °F3.12 in.
Annual44 °F63.5 °F41.52 in.

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 : -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