Dover Massachusetts Climate Data

Monthly Average Climate Data for Dover Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.1 °F36.7 °F3.87 in.
February19.7 °F39.2 °F3.35 in.
March27.2 °F46.3 °F4.62 in.
April37.3 °F58.5 °F4.32 in.
May47.1 °F69.0 °F3.63 in.
June56.5 °F77.7 °F4.18 in.
July62.5 °F83.4 °F3.6 in.
August60.8 °F82.0 °F3.89 in.
September53.3 °F75.1 °F3.84 in.
October41.8 °F63.1 °F4.86 in.
November32.7 °F52.4 °F4.05 in.
December24.4 °F42.2 °F4.72 in.
Annual40.1 °F60.5 °F48.93 in.

Climate Data for Dover Massachusetts

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year