With a population of around 11,800, Santa Rosalia sits in Baja California Sur, Mexico. The city operates in the America/Mazatlan time zone.
In 2025, Santa Rosalia recorded an average annual temperature of 77°F. The hottest temperatures reached 104°F in June; the coolest were 46°F in January. Total precipitation for the year was 5 inches, with the wettest month being September.
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