With a population of around 1,200, Monclova Segundo Sector sits in Nuevo Leon, Mexico. The city operates in the America/Monterrey time zone.
In 2025, Monclova Segundo Sector recorded an average annual temperature of 73°F. The hottest temperatures reached 110°F in May; the coolest were 27°F in January. Total precipitation for the year was 17 inches, with the wettest month being September.
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