Terryville Connecticut Climate Data

Monthly Average Climate Data for Terryville Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.9 °F35.5 °F3.82 in.
February18.2 °F38.4 °F3.33 in.
March25.4 °F46.3 °F4.67 in.
April35.7 °F59.5 °F4.15 in.
May46.0 °F70.4 °F4.23 in.
June55.3 °F78.8 °F4.64 in.
July60.6 °F83.6 °F4.76 in.
August59.1 °F81.7 °F4.65 in.
September51.8 °F74.4 °F4.79 in.
October40.4 °F62.5 °F5.62 in.
November30.9 °F50.9 °F4.16 in.
December23.1 °F40.3 °F4.72 in.
Annual38.6 °F60.2 °F53.54 in.

Climate Data for Terryville Connecticut

Average First Frost DateOct. 1 - Oct. 10
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 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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