Dime Box is an unincorporated community in Lee County, Texas, United States. The Dime Box Independent School District serves area students and home to the Dime Box High School Longhorns. It is named after what is now called Old Dime Box, Texas.In 1913, the Southern Pacific Railroad built a line three miles to the southeast of the original location of Dime Box. Most of the residents and businesses moved to a site near the tracks. From that point onward, the original settlement became known as Old Dime Box and the new community was referred to as Dime Box.The climate in this area is characterized by hot, humid summers; generally mild to cool winters; and precipitation evenly distributed throughout the year. The Kppen Climate System describes the weather as humid subtropical, and uses the abbreviation Cfa.Dime Box was cast as the capital of the Second Republic of Texas in Howard Waldrop's book Texas-Israeli War: 1999.