London Ohio Climate Data

Monthly Average Climate Data for London Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.8 °C1.7 °C77.72 mm
February-5.7 °C3.8 °C61.47 mm
March-1.2 °C9.6 °C83.06 mm
April4.5 °C16.6 °C101.6 mm
May10.7 °C22.6 °C118.62 mm
June15.8 °C27.2 °C112.27 mm
July17.3 °C28.6 °C115.57 mm
August16.1 °C27.9 °C82.55 mm
September12.1 °C25.2 °C76.96 mm
October5.8 °C18.2 °C67.56 mm
November0.2 °C10.6 °C76.71 mm
December-3.7 °C4.3 °C75.44 mm
Annual5.4 °C16.4 °C1049.53 mm

Climate Data for London 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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