About Potam, Sonora's Climate & Weather History

With a population of around 7,000, Potam sits in Sonora, Mexico. The city operates in the America/Hermosillo time zone.

In 2025, Potam recorded an average annual temperature of 77°F. The hottest temperatures reached 108°F in June; the coolest were 43°F in January. Total precipitation for the year was 16 inches, with the wettest month being September.