With a population of around 7,600, Seffner sits in Florida, United States. The city operates in the Eastern Time Zone.
In 2025, Seffner recorded an average annual temperature of 72°F — about 2.8°F below the 30-year normal of 75°F. The hottest day reached 97°F in July; the coldest was 34°F in January. Total precipitation was 42 inches (drier than usual). The wettest month was August.
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