Stow Massachusetts Climate Data

Monthly Average Climate Data for Stow Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.0 °F34.8 °F3.69 in.
February17.6 °F37.7 °F3.42 in.
March25.5 °F45.3 °F4.45 in.
April35.9 °F58.4 °F4.36 in.
May46.4 °F68.9 °F3.75 in.
June55.8 °F77.4 °F4.41 in.
July61.6 °F83.4 °F3.72 in.
August60.1 °F81.9 °F3.86 in.
September51.8 °F74.9 °F3.9 in.
October40.5 °F62.7 °F4.88 in.
November30.9 °F51.3 °F3.81 in.
December22.5 °F40.7 °F4.71 in.
Annual38.7 °F59.8 °F48.96 in.

Climate Data for Stow Massachusetts

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year