Jeannette, in Pennsylvania, United States, is home to roughly 9,300 people in the Eastern Time Zone at 40.3°N latitude.
In 2025, Jeannette recorded an average annual temperature of 51°F — about 1.0°F below the 30-year normal of 52°F. The hottest day reached 91°F in June; the coldest was -12°F in January. Total precipitation was 55 inches (wetter than usual). The wettest month was May.
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