Somerset Massachusetts Climate Data

Monthly Average Climate Data for Somerset Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.7 °C3.5 °C108.71 mm
February-5.1 °C4.4 °C91.95 mm
March-1.3 °C8 °C137.16 mm
April4.2 °C14.1 °C115.06 mm
May9.3 °C19.9 °C89.66 mm
June14.9 °C24.7 °C101.6 mm
July18.4 °C28 °C89.15 mm
August17.8 °C27.3 °C93.73 mm
September13.8 °C23.6 °C100.58 mm
October7.7 °C17.3 °C120.9 mm
November2.4 °C11.6 °C111 mm
December-2.2 °C6.4 °C124.97 mm
Annual6.2 °C15.7 °C1284.47 mm

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 : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com