Topanga, in California, United States, is home to roughly 8,300 people in the Pacific Time Zone at 34.1°N latitude.
In 2025, Topanga recorded an average annual temperature of 64°F — about 0.8°F above the 30-year normal of 63°F. The hottest day reached 100°F in May; the coldest was 35°F in January. Total precipitation was 24 inches (wetter than usual). The wettest month was December.
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