Johnstown Ohio Climate Data

Monthly Average Climate Data for Johnstown Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.9 °F34.5 °F3.01 in.
February20.8 °F37.9 °F2.32 in.
March29.0 °F48.3 °F3.34 in.
April39.5 °F61.5 °F3.94 in.
May50.1 °F71.5 °F4.28 in.
June59.3 °F79.8 °F4.55 in.
July62.5 °F83.0 °F4.53 in.
August60.7 °F81.5 °F3.67 in.
September53.4 °F75.7 °F3.49 in.
October41.8 °F63.5 °F2.84 in.
November32.0 °F50.4 °F3.01 in.
December24.5 °F39.2 °F3.03 in.
Annual41 °F60.6 °F42.01 in.

Climate Data for Johnstown Ohio

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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