Weston Connecticut Climate Data

Monthly Average Climate Data for Weston Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.7 °F37.6 °F3.91 in.
February22.0 °F40.1 °F3.08 in.
March29.4 °F47.4 °F4.24 in.
April39.3 °F59.9 °F4.07 in.
May49.1 °F70.2 °F3.9 in.
June58.8 °F78.8 °F4.8 in.
July64.3 °F84.0 °F3.79 in.
August62.9 °F82.2 °F4.53 in.
September55.7 °F75.4 °F4.71 in.
October44.0 °F63.9 °F4.56 in.
November34.3 °F52.9 °F4.1 in.
December26.6 °F42.6 °F4.51 in.
Annual42.3 °F61.3 °F50.2 in.

Climate Data for Weston Connecticut

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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