With a population of around 54,900, West Haven sits in Connecticut, United States. The city operates in the Eastern Time Zone.
In 2025, West Haven recorded an average annual temperature of 52°F — right at the 30-year normal of 52°F. The hottest day reached 102°F in June; the coldest was -1°F in January. Total precipitation was 44 inches (wetter than usual). The wettest month was May.
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