Hanover Massachusetts Climate Data

Monthly Average Climate Data for Hanover Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.6 °C3.1 °C110.24 mm
February-6 °C4.3 °C98.81 mm
March-1.9 °C8 °C138.68 mm
April3.5 °C14.3 °C118.11 mm
May8.8 °C20.1 °C91.69 mm
June14.1 °C25.2 °C96.01 mm
July17.5 °C28.3 °C86.36 mm
August16.7 °C27.7 °C91.95 mm
September12.7 °C23.7 °C96.52 mm
October6.6 °C17.3 °C129.29 mm
November1.3 °C11.5 °C115.32 mm
December-3.4 °C6.2 °C130.81 mm
Annual5.3 °C15.8 °C1303.79 mm

Climate Data for Hanover Massachusetts

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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