Lunenburg Massachusetts Climate Data

Monthly Average Climate Data for Lunenburg Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.4 °F33.2 °F3.85 in.
February16.0 °F36.0 °F3.47 in.
March24.0 °F43.7 °F4.53 in.
April34.9 °F57.1 °F4.18 in.
May45.7 °F68.3 °F3.83 in.
June55.1 °F77.0 °F4.37 in.
July60.7 °F82.4 °F3.89 in.
August58.9 °F80.9 °F3.67 in.
September51.1 °F73.7 °F4.18 in.
October39.4 °F61.1 °F5.18 in.
November29.9 °F49.4 °F4.02 in.
December21.1 °F38.8 °F4.55 in.
Annual37.6 °F58.5 °F49.72 in.

Climate Data for Lunenburg Massachusetts

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year