Westerville Ohio Climate Data

Monthly Average Climate Data for Westerville Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.0 °F36.0 °F3.01 in.
February22.8 °F39.5 °F2.4 in.
March31.1 °F50.1 °F3.41 in.
April41.4 °F63.4 °F3.94 in.
May52.3 °F73.6 °F4.24 in.
June61.3 °F81.7 °F4.66 in.
July64.7 °F84.6 °F4.42 in.
August62.8 °F83.4 °F3.51 in.
September55.6 °F77.8 °F3.32 in.
October44.0 °F65.4 °F2.89 in.
November33.8 °F51.8 °F2.94 in.
December26.5 °F40.7 °F3.07 in.
Annual43.1 °F62.3 °F41.81 in.

Climate Data for Westerville 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
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