Rocky River Ohio Climate Data

Monthly Average Climate Data for Rocky River Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.7 °C1.7 °C75.95 mm
February-5.2 °C2.9 °C56.64 mm
March-1.6 °C7.4 °C82.55 mm
April4.7 °C14.8 °C99.31 mm
May10.9 °C20.8 °C96.77 mm
June16.4 °C25.9 °C99.82 mm
July18.8 °C27.7 °C94.49 mm
August18.2 °C27.2 °C95 mm
September14.5 °C23.8 °C98.04 mm
October8.3 °C17.5 °C90.68 mm
November2.7 °C10.4 °C78.99 mm
December-2.4 °C4.5 °C78.23 mm
Annual6.6 °C15.4 °C1046.47 mm

Climate Data for Rocky River Ohio

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation