Dunstable Massachusetts Climate Data

Monthly Average Climate Data for Dunstable Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.3 °F34.2 °F3.51 in.
February16.0 °F37.3 °F3.31 in.
March24.1 °F45.1 °F4.32 in.
April34.6 °F58.4 °F4.05 in.
May45.4 °F69.4 °F3.81 in.
June54.8 °F78.4 °F4.4 in.
July60.5 °F83.9 °F3.61 in.
August58.7 °F82.2 °F3.82 in.
September50.7 °F74.8 °F4.0 in.
October38.6 °F62.1 °F4.78 in.
November29.5 °F50.3 °F3.85 in.
December20.9 °F39.7 °F4.4 in.
Annual37.3 °F59.7 °F47.86 in.

Climate Data for Dunstable Massachusetts

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 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