Winchendon Massachusetts Climate Data

Monthly Average Climate Data for Winchendon Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.1 °F31.2 °F3.71 in.
February13.5 °F34.2 °F3.24 in.
March21.5 °F42.0 °F3.99 in.
April32.8 °F55.1 °F3.85 in.
May43.7 °F66.7 °F3.74 in.
June52.9 °F75.3 °F4.55 in.
July58.4 °F80.5 °F4.34 in.
August56.6 °F79.0 °F4.29 in.
September48.9 °F71.6 °F4.25 in.
October37.7 °F58.5 °F5.04 in.
November28.5 °F47.0 °F3.76 in.
December19.1 °F36.5 °F4.22 in.
Annual35.5 °F56.5 °F48.98 in.

Climate Data for Winchendon Massachusetts

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year