East Granby Connecticut Climate Data

Monthly Average Climate Data for East Granby Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.2 °C1.5 °C90.17 mm
February-7.4 °C3.1 °C81.03 mm
March-3 °C7.7 °C106.17 mm
April2.9 °C15.1 °C103.12 mm
May8.7 °C21.2 °C95.76 mm
June13.9 °C25.8 °C113.28 mm
July16.8 °C28.8 °C107.19 mm
August15.9 °C27.8 °C108.71 mm
September11.7 °C23.8 °C119.13 mm
October5.3 °C16.9 °C135.13 mm
November0 °C10.4 °C97.28 mm
December-4.7 °C4.4 °C117.09 mm
Annual4.3 °C15.5 °C1274.06 mm

Climate Data for East Granby 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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