About Guamuchil, Sinaloa's Climate & Weather History

Guamuchil is a city of approximately 72,500 people in Sinaloa, Mexico. Located in the America/Mazatlan time zone at 25.5°N latitude.

In 2025, Guamuchil recorded an average annual temperature of 77°F. The hottest temperatures reached 105°F in June; the coolest were 43°F in February. Total precipitation for the year was 20 inches, with the wettest month being September.