Brooklyn Connecticut Climate Data

Monthly Average Climate Data for Brooklyn Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.2 °F37.0 °F3.78 in.
February19.7 °F39.5 °F3.42 in.
March27.1 °F47.1 °F4.55 in.
April36.8 °F59.7 °F4.51 in.
May46.9 °F70.0 °F3.53 in.
June56.0 °F77.8 °F4.19 in.
July62.3 °F82.9 °F3.73 in.
August60.3 °F81.3 °F4.44 in.
September52.9 °F74.7 °F4.19 in.
October42.1 °F63.2 °F4.84 in.
November32.3 °F52.4 °F3.91 in.
December24.2 °F42.2 °F4.58 in.
Annual39.9 °F60.7 °F49.67 in.

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 : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year