North Granby Connecticut Climate Data

Monthly Average Climate Data for North Granby Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.1 °F34.0 °F3.64 in.
February17.3 °F36.9 °F3.27 in.
March25.4 °F45.1 °F4.33 in.
April36.1 °F58.6 °F4.07 in.
May46.7 °F69.8 °F3.98 in.
June56.0 °F78.0 °F4.86 in.
July61.3 °F83.2 °F4.46 in.
August59.5 °F81.3 °F4.35 in.
September51.9 °F74.2 °F4.76 in.
October40.5 °F61.7 °F5.57 in.
November31.1 °F50.1 °F4.01 in.
December22.6 °F39.3 °F4.96 in.
Annual38.7 °F59.4 °F52.26 in.

Climate Data for North 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 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation