Sylvania Ohio Climate Data

Monthly Average Climate Data for Sylvania Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.0 °F32.5 °F2.4 in.
February19.2 °F35.5 °F2.14 in.
March27.2 °F45.2 °F2.51 in.
April38.1 °F58.4 °F3.47 in.
May49.6 °F70.0 °F3.8 in.
June59.4 °F79.8 °F3.55 in.
July62.6 °F83.8 °F3.35 in.
August60.6 °F81.7 °F3.39 in.
September53.3 °F75.8 °F2.95 in.
October42.0 °F63.1 °F2.86 in.
November32.3 °F49.1 °F2.82 in.
December24.0 °F37.5 °F2.35 in.
Annual40.5 °F59.4 °F35.59 in.

Climate Data for Sylvania 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 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com