Jewett City Connecticut Climate Data

Monthly Average Climate Data for Jewett City Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.6 °C3.4 °C95.25 mm
February-5.7 °C5 °C83.82 mm
March-1.7 °C9.2 °C117.6 mm
April3.7 °C16 °C112.52 mm
May9.2 °C21.7 °C85.09 mm
June14.3 °C26.3 °C96.27 mm
July17.9 °C29.2 °C89.66 mm
August16.8 °C28.4 °C106.43 mm
September12.5 °C24.3 °C110.24 mm
October6.4 °C18.2 °C120.65 mm
November1.2 °C12 °C101.35 mm
December-3.2 °C6.4 °C119.38 mm
Annual5.4 °C16.7 °C1238.26 mm

Climate Data for Jewett City Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 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 ClassificationDfb - Humid Continental Mild Summer, Wet All Year