San Leandro is a city of approximately 90,700 people in California, United States. Located in the Pacific Time Zone at 37.7°N latitude.
In 2025, San Leandro recorded an average annual temperature of 57°F — about 2.2°F below the 30-year normal of 59°F. The hottest day reached 92°F in September; the coldest was 31°F in January. Total precipitation was 24 inches (wetter than usual). The wettest month was February.
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