West Simsbury Connecticut Climate Data

Monthly Average Climate Data for West Simsbury Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.4 °F35.2 °F3.67 in.
February18.7 °F38.2 °F3.26 in.
March26.3 °F46.3 °F4.28 in.
April36.8 °F59.5 °F4.02 in.
May47.5 °F70.5 °F3.99 in.
June56.9 °F79.0 °F4.75 in.
July62.1 °F84.1 °F4.5 in.
August60.4 °F82.2 °F4.56 in.
September52.9 °F75.1 °F4.85 in.
October41.5 °F62.8 °F5.44 in.
November31.9 °F51.0 °F3.97 in.
December23.8 °F40.4 °F4.6 in.
Annual39.7 °F60.4 °F51.89 in.

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