Lebanon Connecticut Climate Data

Monthly Average Climate Data for Lebanon Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.3 °F36.1 °F3.82 in.
February19.6 °F38.8 °F3.3 in.
March26.9 °F46.5 °F4.6 in.
April36.7 °F58.6 °F4.44 in.
May46.5 °F68.8 °F3.53 in.
June55.7 °F77.2 °F4.03 in.
July61.8 °F82.3 °F3.85 in.
August60.1 °F80.9 °F4.25 in.
September52.5 °F73.7 °F4.33 in.
October41.7 °F62.5 °F4.87 in.
November32.3 °F51.5 °F4.03 in.
December24.6 °F41.6 °F4.66 in.
Annual39.7 °F59.9 °F49.71 in.

Climate Data for Lebanon 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
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