Uvalde County, named for Spaniard Juan de Ugalde, is in Southwest Texas midway between San Antonio and the International Amistad Reservoir on the United States-Mexico border.
The county’s center is eight miles north of Uvalde at 9o22′ north latitude and 99o45′ west longitude.
Uvalde County lies in the heart of the Winter Garden Region of South Texas.
Uvalde County covers 1,588 square miles. The Nueces, Leona, Sabinal, Dry Frio, and Frio rivers flow through Uvalde County. At the intersection of U.S. highways 83 and 90 is Uvalde, the county seat.
Other major towns are Knippa, Sabinal, and Utopia; minor towns are Cline, Montell, Concan, and Reagan Wells. The main line of the Southern Pacific Railroad parallels U.S. 90 and connects Uvalde with Knippa and Sabinal to the east and Cline to the west.
The climate has been described as continental, semi-arid, and subtropical-subhumid. The average rainfall is 23.22 inches annually. Temperatures range from an average low of 37o F and average high of 63o F in January to an average low of 71o and high of 98o in July.
The Edwards Plateau covers the northern third of the county. Elevations range from 2,000 feet above sea level to 700 feet above sea level.
Low rolling hills and deep canyons cut across the county’s midsection from southwest to northeast. The northern and western portions have the short grass and scattered timber common to the eastern Edwards Plateau and Hill Country. Trees include live oak, shinnery oak, red oak, and juniper; buffalo and mesquite grasses dominates the western margin.
The southern and eastern region is in the South Texas brushy plains and features thorny vegetation with scattered post oak and live oak.
Mission: The mission of the Texas A&M AgriLife Extension Service is to provide quality, relevant outreach and continuing educational programs and services to the people of Texas.
Educational programs of Texas AgriLife Extension Service are open to all people without regard to race, color, sex, disability, religion, age, or national origin. Individuals with disabilities who require an auxiliary aid, service, or accommodation in order to participate in meetings are encouraged to contact the Extension Office at (830) 591-9046 for assistance. The information given herein is for education purposes only. References to commercial products or trade names are made with the understanding that no discrimination is intended and no endorsement by Texas AgriLife Extension Service is implied.