With a population of around 17,500, South Houston sits in Texas, United States. The city operates in the Central Time Zone.
In 2025, South Houston recorded an average annual temperature of 71°F — right at the 30-year normal of 71°F. The hottest day reached 98°F in July; the coldest was 17°F in January. Total precipitation was 64 inches (wetter than usual). The wettest month was May.
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