With a population of around 19,000, Southbridge sits in Massachusetts, United States. The city operates in the Eastern Time Zone.
In 2025, Southbridge recorded an average annual temperature of 49°F — about 0.7°F above the 30-year normal of 48°F. The hottest day reached 94°F in June; the coldest was -0°F in January. Total precipitation was 43 inches (drier than usual). Snowfall totaled 11 inches, below the 73-inch average. The wettest month was May.
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