Pico Rivera, in California, United States, is home to roughly 64,200 people in the Pacific Time Zone at 34°N latitude.
In 2025, Pico Rivera recorded an average annual temperature of 65°F — about 1.2°F below the 30-year normal of 66°F. The hottest day reached 102°F in May; the coldest was 41°F in March. Total precipitation was 23 inches (wetter than usual). The wettest month was November.
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