Franklin Connecticut Climate Data

Monthly Average Climate Data for Franklin Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.2 °C2.8 °C91.95 mm
February-6.2 °C4.3 °C80.26 mm
March-2.2 °C8.6 °C114.05 mm
April3.2 °C15.5 °C108.71 mm
May8.7 °C21.1 °C81.53 mm
June13.8 °C25.8 °C87.38 mm
July17.3 °C28.6 °C92.71 mm
August16.3 °C27.9 °C103.12 mm
September11.8 °C23.8 °C102.87 mm
October5.8 °C17.6 °C116.33 mm
November0.6 °C11.4 °C99.31 mm
December-3.7 °C5.9 °C116.33 mm
Annual4.9 °C16.1 °C1194.55 mm

Climate Data for Franklin Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2024 plantmaps.com