Washington Connecticut Climate Data

Monthly Average Climate Data for Washington Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.5 °F35.2 °F3.4 in.
February18.3 °F38.1 °F2.87 in.
March25.4 °F45.8 °F4.07 in.
April35.7 °F58.6 °F3.81 in.
May46.1 °F69.2 °F4.03 in.
June55.2 °F77.2 °F4.5 in.
July60.6 °F81.9 °F4.66 in.
August59.4 °F80.3 °F4.8 in.
September52.1 °F72.9 °F4.51 in.
October40.6 °F61.6 °F5.06 in.
November31.2 °F50.8 °F3.79 in.
December22.8 °F39.7 °F4.32 in.
Annual38.7 °F59.3 °F49.82 in.

Climate Data for Washington 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 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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