Norfolk Massachusetts Climate Data

Monthly Average Climate Data for Norfolk Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.1 °F36.6 °F4.0 in.
February19.6 °F39.1 °F3.44 in.
March27.0 °F46.3 °F4.75 in.
April37.1 °F58.4 °F4.56 in.
May47.0 °F68.7 °F3.53 in.
June56.4 °F77.2 °F4.28 in.
July62.3 °F82.8 °F3.54 in.
August60.8 °F81.4 °F3.92 in.
September53.3 °F74.4 °F3.99 in.
October41.7 °F62.6 °F4.97 in.
November32.6 °F51.9 °F4.15 in.
December24.3 °F41.8 °F4.77 in.
Annual40 °F60.1 °F49.9 in.

Climate Data for Norfolk 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 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year