Mason Michigan Climate Data

Monthly Average Climate Data for Mason Michigan

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.8 °F30.1 °F2.26 in.
February16.5 °F33.0 °F1.83 in.
March24.8 °F43.4 °F2.19 in.
April35.8 °F56.5 °F3.39 in.
May47.4 °F68.4 °F3.8 in.
June56.7 °F77.6 °F3.73 in.
July59.8 °F81.4 °F3.36 in.
August58.3 °F79.5 °F3.43 in.
September50.7 °F73.5 °F3.06 in.
October39.8 °F60.2 °F3.06 in.
November30.5 °F46.8 °F2.56 in.
December22.4 °F35.3 °F2.09 in.
Annual38.2 °F57.1 °F34.76 in.

Climate Data for Mason Michigan

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year