With a population of around 511,000, Heroica Matamoros sits in Tamaulipas, Mexico. The city operates in the America/Matamoros time zone.
In 2025, Heroica Matamoros recorded an average annual temperature of 76°F — right at the 30-year normal of 76°F. The hottest day reached 97°F in August; the coldest was 31°F in January. Total precipitation was 31 inches (wetter than usual). The wettest month was September.
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