Bloomfield Connecticut Climate Data

Monthly Average Climate Data for Bloomfield Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.4 °C1.9 °C94.23 mm
February-6.7 °C3.5 °C83.06 mm
March-2.3 °C8.1 °C110.24 mm
April3.6 °C15.3 °C106.17 mm
May9.3 °C21.4 °C98.81 mm
June14.5 °C26.2 °C120.4 mm
July17.4 °C29.2 °C110.49 mm
August16.6 °C28.2 °C113.28 mm
September12.4 °C24.1 °C122.43 mm
October6 °C17.3 °C140.46 mm
November0.6 °C10.8 °C103.89 mm
December-3.9 °C4.9 °C118.62 mm
Annual5 °C15.9 °C1322.08 mm

Climate Data for Bloomfield 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 ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation