Grand River Ohio Climate Data

Monthly Average Climate Data for Grand River Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.4 °F34.5 °F3.13 in.
February21.7 °F35.9 °F2.19 in.
March28.4 °F43.1 °F2.89 in.
April39.4 °F56.2 °F3.63 in.
May50.6 °F67.0 °F3.51 in.
June60.2 °F76.0 °F3.61 in.
July64.8 °F79.8 °F4.25 in.
August63.6 °F78.9 °F3.65 in.
September56.9 °F73.3 °F4.02 in.
October46.4 °F61.8 °F4.08 in.
November36.7 °F50.1 °F3.41 in.
December28.0 °F39.5 °F3.14 in.
Annual43.2 °F58 °F41.51 in.

Climate Data for Grand River Ohio

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateMay 1 - May 10
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 ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year