Mason Ohio Climate Data

Monthly Average Climate Data for Mason Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.7 °F38.8 °F3.25 in.
February24.5 °F42.9 °F2.73 in.
March32.7 °F52.7 °F3.86 in.
April42.9 °F64.8 °F4.6 in.
May53.4 °F74.2 °F4.91 in.
June62.3 °F82.1 °F4.46 in.
July65.8 °F85.6 °F4.09 in.
August63.8 °F84.9 °F3.54 in.
September56.6 °F79.0 °F2.84 in.
October44.7 °F67.0 °F3.1 in.
November34.4 °F53.6 °F3.12 in.
December27.7 °F43.0 °F3.42 in.
Annual44.3 °F64.1 °F43.92 in.

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 : -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