Ottawa Ohio Climate Data

Monthly Average Climate Data for Ottawa Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.3 °F33.1 °F2.45 in.
February20.1 °F36.2 °F2.03 in.
March28.1 °F46.7 °F2.45 in.
April38.3 °F60.5 °F3.51 in.
May50.1 °F71.8 °F4.27 in.
June60.0 °F80.8 °F4.12 in.
July63.1 °F84.2 °F4.2 in.
August60.9 °F82.3 °F3.54 in.
September53.7 °F76.8 °F2.81 in.
October42.8 °F64.0 °F2.75 in.
November32.7 °F49.7 °F2.74 in.
December24.1 °F38.0 °F2.35 in.
Annual41 °F60.3 °F37.22 in.

Climate Data for Ottawa 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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation