Vandalia Ohio Climate Data

Monthly Average Climate Data for Vandalia Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.4 °C2.2 °C77.72 mm
February-5.3 °C4.2 °C58.17 mm
March-0.6 °C9.9 °C83.31 mm
April5.4 °C16.9 °C106.93 mm
May11.4 °C22.6 °C116.08 mm
June16.4 °C27.3 °C109.73 mm
July18.1 °C29 °C104.65 mm
August17 °C28.5 °C75.44 mm
September13.1 °C25.2 °C82.55 mm
October6.7 °C18.3 °C71.63 mm
November0.9 °C10.8 °C77.72 mm
December-3.4 °C4.6 °C77.72 mm
Annual6.1 °C16.6 °C1041.65 mm

Climate Data for Vandalia Ohio

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation