Webster Massachusetts Climate Data

Monthly Average Climate Data for Webster Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.6 °C2.1 °C97.79 mm
February-8 °C3.4 °C83.31 mm
March-3.8 °C7.7 °C113.54 mm
April1.8 °C14.6 °C113.03 mm
May7.6 °C20.6 °C90.68 mm
June12.7 °C25 °C110.24 mm
July16.1 °C27.9 °C100.33 mm
August14.9 °C27 °C109.47 mm
September10.9 °C23.2 °C108.2 mm
October4.7 °C16.6 °C126.49 mm
November-0.6 °C10.6 °C98.55 mm
December-5.2 °C4.9 °C116.84 mm
Annual3.5 °C15.3 °C1268.47 mm

Climate Data for Webster 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 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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