About Chemax, Yucatan's Climate & Weather History

With a population of around 14,900, Chemax sits in Yucatan, Mexico. The city operates in the America/Merida time zone.

In 2025, Chemax recorded an average annual temperature of 79°F. The hottest temperatures reached 101°F in May; the coolest were 59°F in January. Total precipitation for the year was 37 inches, with the wettest month being June.