Rocky River Ohio Climate Data

Monthly Average Climate Data for Rocky River Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.7 °F35.1 °F2.99 in.
February22.7 °F37.2 °F2.23 in.
March29.2 °F45.3 °F3.25 in.
April40.5 °F58.7 °F3.91 in.
May51.7 °F69.5 °F3.81 in.
June61.5 °F78.6 °F3.93 in.
July65.8 °F81.8 °F3.72 in.
August64.8 °F80.9 °F3.74 in.
September58.1 °F74.9 °F3.86 in.
October47.0 °F63.5 °F3.57 in.
November36.8 °F50.8 °F3.11 in.
December27.6 °F40.1 °F3.08 in.
Annual44 °F59.7 °F41.2 in.

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 : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation