West Simsbury Connecticut Climate Data

Monthly Average Climate Data for West Simsbury Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.1 °C1.8 °C93.22 mm
February-7.4 °C3.4 °C82.8 mm
March-3.2 °C7.9 °C108.71 mm
April2.7 °C15.3 °C102.11 mm
May8.6 °C21.4 °C101.35 mm
June13.8 °C26.1 °C120.65 mm
July16.7 °C28.9 °C114.3 mm
August15.8 °C27.9 °C115.82 mm
September11.6 °C23.9 °C123.19 mm
October5.3 °C17.1 °C138.18 mm
November-0.1 °C10.6 °C100.84 mm
December-4.6 °C4.7 °C116.84 mm
Annual4.3 °C15.8 °C1318.01 mm

Climate Data for West Simsbury 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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