Piedmont is a city of approximately 11,400 people in California, United States. Located in the Pacific Time Zone at 37.8°N latitude.
In 2025, Piedmont recorded an average annual temperature of 56°F — about 1.8°F below the 30-year normal of 58°F. The hottest day reached 94°F in September; the coldest was 34°F in February. Total precipitation was 23 inches (near normal). The wettest month was February.
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