Brooklyn Connecticut Climate Data

Monthly Average Climate Data for Brooklyn Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.7 °C2.8 °C96.01 mm
February-6.8 °C4.2 °C86.87 mm
March-2.7 °C8.4 °C115.57 mm
April2.7 °C15.4 °C114.55 mm
May8.3 °C21.1 °C89.66 mm
June13.3 °C25.4 °C106.43 mm
July16.8 °C28.3 °C94.74 mm
August15.7 °C27.4 °C112.78 mm
September11.6 °C23.7 °C106.43 mm
October5.6 °C17.3 °C122.94 mm
November0.2 °C11.3 °C99.31 mm
December-4.3 °C5.7 °C116.33 mm
Annual4.4 °C15.9 °C1261.62 mm

Climate Data for Brooklyn 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 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
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