With a population of around 8,100, South San Gabriel sits in California, United States. The city operates in the Pacific Time Zone.
In 2025, South San Gabriel recorded an average annual temperature of 65°F — about 0.9°F below the 30-year normal of 66°F. The hottest day reached 103°F in May; the coldest was 40°F in January. Total precipitation was 26 inches (wetter than usual). The wettest month was November.
View current conditions and forecast for South San Gabriel · More cities in California