With a population of around 18,200, Rosamond sits in California, United States. The city operates in the Pacific Time Zone.
In 2025, Rosamond recorded an average annual temperature of 64°F — about 1.6°F above the 30-year normal of 62°F. The hottest day reached 106°F in August; the coldest was 28°F in January. Total precipitation was 15 inches (wetter than usual). The wettest month was November.
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