Worcester Massachusetts Climate Data

Monthly Average Climate Data for Worcester Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.1 °C1.3 °C95 mm
February-8.3 °C2.8 °C83.06 mm
March-3.9 °C7 °C117.35 mm
April1.9 °C14.3 °C107.44 mm
May7.9 °C20.2 °C93.47 mm
June13.2 °C24.8 °C106.17 mm
July16.3 °C27.8 °C97.28 mm
August15.4 °C26.9 °C101.85 mm
September10.9 °C23.1 °C100.08 mm
October4.5 °C16.4 °C128.52 mm
November-0.8 °C10.2 °C93.98 mm
December-5.4 °C4.4 °C114.55 mm
Annual3.6 °C14.9 °C1238.75 mm

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 : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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