About Alamos, Sonora's Climate & Weather History

Alamos, in Sonora, Mexico, is home to roughly 9,300 people in the America/Hermosillo time zone at 27°N latitude.

In 2025, Alamos recorded an average annual temperature of 75°F. The hottest temperatures reached 109°F in June; the coolest were 41°F in January. Total precipitation for the year was 21 inches, with the wettest month being August.