With a population of around 16,700, Mercedes sits in Texas, United States. The city operates in the Central Time Zone.
In 2025, Mercedes recorded an average annual temperature of 77°F — about 1.8°F above the 30-year normal of 75°F. The hottest day reached 104°F in March; the coldest was 26°F in January. Total precipitation was 21 inches (drier than usual). The wettest month was March.
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