With a population of around 5,600, Exeter sits in Pennsylvania, United States. The city operates in the Eastern Time Zone.
In 2025, Exeter recorded an average annual temperature of 52°F — right at the 30-year normal of 51°F. The hottest day reached 97°F in June; the coldest was -5°F in January. Total precipitation was 38 inches (near normal). Snowfall totaled 10 inches, below the 45-inch average. The wettest month was May.
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