East Haven Connecticut Climate Data

Monthly Average Climate Data for East Haven Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.3 °F38.4 °F3.76 in.
February24.6 °F40.2 °F3.1 in.
March31.2 °F46.9 °F4.38 in.
April40.7 °F57.5 °F4.14 in.
May50.5 °F67.4 °F3.75 in.
June60.1 °F76.4 °F4.05 in.
July66.4 °F82.3 °F3.38 in.
August65.4 °F80.8 °F3.98 in.
September58.2 °F75.2 °F4.14 in.
October47.1 °F64.0 °F4.79 in.
November37.2 °F53.2 °F3.72 in.
December29.1 °F43.6 °F4.34 in.
Annual44.5 °F60.5 °F47.53 in.

Climate Data for East Haven Connecticut

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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