Manchester Connecticut Climate Data

Monthly Average Climate Data for Manchester Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.3 °C2.4 °C84.58 mm
February-6.6 °C3.9 °C74.68 mm
March-2.3 °C8.3 °C105.16 mm
April3.4 °C15.1 °C97.28 mm
May8.9 °C20.9 °C90.42 mm
June14.1 °C25.7 °C106.93 mm
July17.2 °C28.6 °C103.38 mm
August16.3 °C27.7 °C103.38 mm
September12.1 °C23.8 °C109.73 mm
October5.8 °C17.2 °C115.32 mm
November0.3 °C10.8 °C91.95 mm
December-3.9 °C5.4 °C106.43 mm
Annual4.8 °C15.8 °C1189.24 mm

Climate Data for Manchester Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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 ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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