Johnstown Ohio Climate Data

Monthly Average Climate Data for Johnstown Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.3 °C1.4 °C76.45 mm
February-6.2 °C3.3 °C58.93 mm
March-1.7 °C9.1 °C84.84 mm
April4.2 °C16.4 °C100.08 mm
May10.1 °C21.9 °C108.71 mm
June15.2 °C26.6 °C115.57 mm
July16.9 °C28.3 °C115.06 mm
August15.9 °C27.5 °C93.22 mm
September11.9 °C24.3 °C88.65 mm
October5.4 °C17.5 °C72.14 mm
November0 °C10.2 °C76.45 mm
December-4.2 °C4 °C76.96 mm
Annual5 °C15.9 °C1067.06 mm

Climate Data for Johnstown 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 6a : -23.3°C to -20.6°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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