Dennison Ohio Climate Data

Monthly Average Climate Data for Dennison Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.6 °F36.5 °F3.13 in.
February20.9 °F39.7 °F2.37 in.
March28.3 °F49.6 °F3.43 in.
April38.5 °F62.9 °F3.83 in.
May49.0 °F72.8 °F4.2 in.
June57.6 °F80.7 °F5.04 in.
July61.6 °F84.2 °F4.02 in.
August59.8 °F83.1 °F3.79 in.
September52.3 °F76.8 °F3.4 in.
October41.0 °F64.6 °F3.19 in.
November31.9 °F52.2 °F2.97 in.
December25.2 °F41.3 °F3.12 in.
Annual40.5 °F62 °F42.49 in.

Climate Data for Dennison Ohio

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsExtreme Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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