San Carlos is a city of approximately 4,100 people in Arizona, United States. Located in the Mountain Time Zone at 33.3°N latitude.
In 2025, San Carlos recorded an average annual temperature of 77°F — about 1.1°F above the 30-year normal of 76°F. The hottest day reached 117°F in August; the coldest was 35°F in January. Total precipitation was 15 inches (wetter than usual). The wettest month was October.
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