Northampton Massachusetts Climate Data

Monthly Average Climate Data for Northampton Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.4 °F34.0 °F3.33 in.
February16.8 °F37.0 °F2.99 in.
March25.4 °F45.4 °F3.7 in.
April36.2 °F58.9 °F3.88 in.
May46.7 °F70.2 °F3.66 in.
June55.9 °F78.5 °F4.48 in.
July61.3 °F83.7 °F4.05 in.
August59.5 °F82.0 °F4.21 in.
September51.8 °F74.8 °F4.57 in.
October40.3 °F62.1 °F4.94 in.
November30.6 °F50.2 °F3.49 in.
December22.2 °F39.5 °F4.19 in.
Annual38.5 °F59.7 °F47.49 in.

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