Milton Massachusetts Climate Data

Monthly Average Climate Data for Milton Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.1 °F37.0 °F4.07 in.
February21.6 °F39.4 °F3.66 in.
March28.7 °F46.2 °F4.97 in.
April38.9 °F57.8 °F4.43 in.
May48.5 °F68.3 °F3.72 in.
June58.1 °F77.3 °F4.18 in.
July64.2 °F83.1 °F3.73 in.
August62.8 °F81.6 °F3.77 in.
September55.6 °F74.4 °F3.89 in.
October44.3 °F62.8 °F4.96 in.
November34.9 °F52.3 °F4.17 in.
December26.4 °F42.5 °F4.98 in.
Annual42 °F60.2 °F50.53 in.

Climate Data for Milton Massachusetts

Average First Frost DateOct. 21 - Oct. 31
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 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year