With a population of around 6,900, Treasure Island sits in Florida, United States. The city operates in the Eastern Time Zone.
In 2025, Treasure Island recorded an average annual temperature of 74°F — about 1.1°F below the 30-year normal of 75°F. The hottest day reached 99°F in July; the coldest was 38°F in November. Total precipitation was 35 inches (drier than usual). The wettest month was August.
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