Mason Ohio Climate Data

Monthly Average Climate Data for Mason Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.2 °C3.8 °C82.55 mm
February-4.2 °C6.1 °C69.34 mm
March0.4 °C11.5 °C98.04 mm
April6.1 °C18.2 °C116.84 mm
May11.9 °C23.4 °C124.71 mm
June16.8 °C27.8 °C113.28 mm
July18.8 °C29.8 °C103.89 mm
August17.7 °C29.4 °C89.92 mm
September13.7 °C26.1 °C72.14 mm
October7.1 °C19.4 °C78.74 mm
November1.3 °C12 °C79.25 mm
December-2.4 °C6.1 °C86.87 mm
Annual6.8 °C17.8 °C1115.57 mm

Climate Data for Mason 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 : -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