Somerset Massachusetts Climate Data

Monthly Average Climate Data for Somerset Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.8 °F38.3 °F4.28 in.
February22.9 °F39.9 °F3.62 in.
March29.6 °F46.4 °F5.4 in.
April39.6 °F57.4 °F4.53 in.
May48.7 °F67.8 °F3.53 in.
June58.8 °F76.5 °F4.0 in.
July65.2 °F82.4 °F3.51 in.
August64.0 °F81.1 °F3.69 in.
September56.9 °F74.4 °F3.96 in.
October45.8 °F63.1 °F4.76 in.
November36.4 °F52.8 °F4.37 in.
December28.1 °F43.6 °F4.92 in.
Annual43.2 °F60.3 °F50.57 in.

Climate Data for Somerset Massachusetts

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation