With a population of around 4,500, San Ignacio sits in Sinaloa, Mexico. The city operates in the America/Mazatlan time zone.
In 2025, San Ignacio recorded an average annual temperature of 78°F. The hottest temperatures reached 104°F in May; the coolest were 49°F in January. Total precipitation for the year was 29 inches, with the wettest month being September.
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