North Branford Connecticut Climate Data

Monthly Average Climate Data for North Branford Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.4 °C2.6 °C100.58 mm
February-5.8 °C3.9 °C85.85 mm
March-1.8 °C8.3 °C124.21 mm
April3.6 °C14.9 °C113.54 mm
May9.1 °C20.8 °C100.58 mm
June14.3 °C25.6 °C107.7 mm
July17.6 °C28.5 °C89.41 mm
August16.8 °C27.6 °C102.36 mm
September12.8 °C23.8 °C113.54 mm
October6.4 °C17.3 °C130.3 mm
November1.1 °C11.1 °C100.08 mm
December-3.3 °C5.6 °C116.08 mm
Annual5.4 °C15.8 °C1284.23 mm

Climate Data for North Branford Connecticut

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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