San Mateo del Mar is a city of approximately 5,700 people in Oaxaca, Mexico. Located in the Central Time Zone at 16.2°N latitude.
In 2025, San Mateo del Mar recorded an average annual temperature of 81°F. The hottest temperatures reached 92°F in May; the coolest were 66°F in January. Total precipitation for the year was 50 inches, with the wettest month being June.
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