Brookfield Connecticut Climate Data

Monthly Average Climate Data for Brookfield Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.4 °F36.0 °F3.78 in.
February19.9 °F38.8 °F2.98 in.
March27.1 °F46.9 °F4.1 in.
April37.5 °F59.5 °F3.94 in.
May47.6 °F70.4 °F3.83 in.
June56.8 °F78.6 °F4.66 in.
July62.3 °F83.7 °F4.74 in.
August60.8 °F81.7 °F4.78 in.
September53.3 °F74.5 °F4.74 in.
October41.7 °F62.8 °F4.83 in.
November32.0 °F51.4 °F4.09 in.
December24.3 °F40.7 °F4.4 in.
Annual40.1 °F60.4 °F50.87 in.

Climate Data for Brookfield 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 : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation