San Ignacio Rio Muerto, in Sonora, Mexico, is home to roughly 7,700 people in the America/Hermosillo time zone at 27.4°N latitude.
In 2025, San Ignacio Rio Muerto recorded an average annual temperature of 77°F. The hottest temperatures reached 108°F in July; the coolest were 41°F in January. Total precipitation for the year was 16 inches, with the wettest month being September.
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