Palo Alto, in California, United States, is home to roughly 66,900 people in the Pacific Time Zone at 37.4°N latitude.
In 2025, Palo Alto recorded an average annual temperature of 59°F — about 0.5°F above the 30-year normal of 59°F. The hottest day reached 92°F in September; the coldest was 34°F in February. Total precipitation was 21 inches (near normal). The wettest month was February.
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