About El Castillo, Mazatlan, Sinaloa's Climate & Weather History

El Castillo, in Sinaloa, Mexico, is home to roughly 2,200 people in the America/Mazatlan time zone at 23.2°N latitude.

In 2025, El Castillo recorded an average annual temperature of 76°F. The hottest temperatures reached 95°F in October; the coolest were 46°F in March. Total precipitation for the year was 36 inches, with the wettest month being September.