Rankin, Texas is a small town located in the Permian Basin region of West Texas. The area experiences a semi-arid climate characterized by hot summers and mild winters. Summers in Rankin are typically hot and dry, with temperatures often exceeding 100 degrees Fahrenheit. Winters are mild, with temperatures ranging from the 40s to the 60s.

Hydrology constituents in Rankin are limited due to the arid climate. The town relies on groundwater sources for its water supply. The primary aquifer in the area is the Dockum Aquifer, which provides water for domestic, agricultural, and industrial use.

While Rankin may not offer extensive recreational opportunities, the surrounding area provides various outdoor activities. The nearby Big Bend National Park, located approximately 150 miles south of Rankin, offers stunning landscapes for hiking, camping, and wildlife viewing. Additionally, the Balmorhea State Park, around 80 miles west of Rankin, features a natural spring-fed swimming pool and is a popular spot for scuba diving. Outdoor enthusiasts can also explore nearby state parks, such as the Davis Mountains State Park, which offers trails, camping, and birdwatching opportunities.