Chester Massachusetts Climate Data

Monthly Average Climate Data for Chester Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.5 °F32.2 °F4.02 in.
February13.6 °F35.2 °F3.72 in.
March22.2 °F43.4 °F4.49 in.
April32.9 °F57.2 °F4.69 in.
May43.7 °F69.0 °F5.13 in.
June53.0 °F76.9 °F5.68 in.
July58.3 °F82.0 °F5.27 in.
August56.5 °F80.0 °F5.58 in.
September48.5 °F72.8 °F5.5 in.
October37.5 °F60.7 °F6.02 in.
November28.3 °F48.6 °F4.57 in.
December19.5 °F37.6 °F5.33 in.
Annual35.5 °F58 °F60 in.

Climate Data for Chester Massachusetts

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