Delaware Ohio Climate Data

Monthly Average Climate Data for Delaware Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.2 °F35.0 °F2.94 in.
February21.8 °F38.0 °F2.24 in.
March30.2 °F48.8 °F3.08 in.
April40.7 °F61.9 °F3.92 in.
May51.5 °F72.6 °F4.18 in.
June60.9 °F80.7 °F4.76 in.
July64.1 °F83.7 °F4.38 in.
August62.0 °F82.4 °F3.45 in.
September54.5 °F77.0 °F3.23 in.
October43.1 °F64.5 °F2.81 in.
November33.3 °F51.2 °F2.95 in.
December25.7 °F39.8 °F2.9 in.
Annual42.3 °F61.3 °F40.84 in.

Climate Data for Delaware Ohio

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation