The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

[citation needed] The land and name for this town would be given to honor the Flores de Abrego family, who were descendants of the former Canary Islanders.

Don Francisco Flores de Abrego was an early settler of this area, his ranch was six miles (10 km) northwest of the site of present Floresville.

[10] Four of his sons, Salvador, Manuel N., Nepomuceno, and Jose Maria served Texas in the 1835–1836 Revolution.

Don Erasmo Seguin (born 1782, in San Antonio) also settled in this area in late 1824, purchasing a ranch, and with his wife raised a family here.

Juan Seguín (born 1806, in San Antonio), one of Erasmo Seguin's sons, was also a prominent Texas military and political figure.

Juan then built a home[12] in 1852 on a property adjacent to his father's, 3 miles northwest of Floresville's center, living there until about 1883.

Vásquez's forces back across the Rio Grande, he was disparaged as having Mexican sympathies and loyalties.

After that war, Juan Seguin then left Mexico behind in 1848 and returned to the now US state of Texas, to his father's Floresville ranch.

Set during 1926–1931, the film stars Robert Redford as a disaffected World War I veteran pilot who missed the opportunity to fly in combat, and examines his sense of postwar dislocation in 1920s America.

The cast includes Margot Kidder, Bo Svenson, Edward Herrmann, and Susan Sarandon.

Portions of made for TV movie Thaddeus Rose and Eddie (1978) starring Johnny and June Carter Cash were filmed in Floresville.

Portions of the 1980 movie The Big Brawl with Jackie Chan were filmed in Floresville's downtown area.