Worcester Massachusetts Climate Data

Monthly Average Climate Data for Worcester Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.7 °F34.3 °F3.74 in.
February17.0 °F37.0 °F3.27 in.
March25.0 °F44.6 °F4.62 in.
April35.5 °F57.7 °F4.23 in.
May46.3 °F68.4 °F3.68 in.
June55.7 °F76.6 °F4.18 in.
July61.4 °F82.0 °F3.83 in.
August59.7 °F80.4 °F4.01 in.
September51.6 °F73.6 °F3.94 in.
October40.1 °F61.6 °F5.06 in.
November30.6 °F50.3 °F3.7 in.
December22.2 °F39.9 °F4.51 in.
Annual38.4 °F58.9 °F48.77 in.

Climate Data for Worcester Massachusetts

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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
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