Bostonia is a city of approximately 15,400 people in California, United States. Located in the Pacific Time Zone at 32.8°N latitude.
In 2025, Bostonia recorded an average annual temperature of 64°F — about 0.9°F below the 30-year normal of 65°F. The hottest day reached 101°F in May; the coldest was 38°F in January. Total precipitation was 17 inches (wetter than usual). The wettest month was March.
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