Bantam Connecticut Climate Data

Monthly Average Climate Data for Bantam Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.8 °F34.1 °F3.49 in.
February17.6 °F37.1 °F3.0 in.
March24.7 °F45.0 °F4.28 in.
April35.3 °F57.9 °F3.88 in.
May45.6 °F68.7 °F4.15 in.
June55.0 °F76.7 °F4.61 in.
July60.3 °F81.5 °F4.68 in.
August59.1 °F79.9 °F4.89 in.
September51.9 °F72.5 °F4.68 in.
October40.4 °F60.9 °F5.27 in.
November30.9 °F49.7 °F3.89 in.
December22.2 °F38.7 °F4.51 in.
Annual38.2 °F58.6 °F51.33 in.

Climate Data for Bantam Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year