North Stonington Connecticut Climate Data

Monthly Average Climate Data for North Stonington Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.3 °C2.7 °C99.31 mm
February-6.4 °C3.9 °C87.38 mm
March-2.6 °C8.3 °C124.97 mm
April2.7 °C14.7 °C117.35 mm
May8.3 °C20.2 °C89.41 mm
June13.5 °C24.9 °C98.04 mm
July16.9 °C27.5 °C86.11 mm
August16 °C26.7 °C102.11 mm
September11.8 °C23.1 °C108.71 mm
October5.7 °C16.8 °C122.17 mm
November0.3 °C11.2 °C104.14 mm
December-3.9 °C5.7 °C123.7 mm
Annual4.6 °C15.5 °C1263.4 mm

Climate Data for North Stonington Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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