Belmont is an unincorporated community in Gonzales County, Texas, United States located on Alternate US 90 10 miles west of Gonzales, Texas. Although it is unincorporated, Belmont has a post office, with the ZIP code of 78604.
The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Belmont has a humid subtropical climate, abbreviated "Cfa" on climate maps.
Coordinates: 29°31′24″N 97°41′02″W / 29.52333°N 97.68389°W