With a population of around 22,700, Rosemont sits in California, United States. The city operates in the Pacific Time Zone.
Across a typical year Rosemont sees about 19 inches of precipitation, with January the wettest month and July the driest. Temperatures range from January lows near 41°F up to July highs around 94°F, averaging 63°F annually — characteristic of a humid continental climate.
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