Calliham is a small community located in southern Texas, with a hot and humid climate. Summers are long and hot, with temperatures reaching up to 100°F, while winters are mild and brief. The area is known for its diverse hydrology constituents, with several creeks and streams flowing through the region. The Calliham Lake State Park is a popular attraction for water-based recreational activities such as fishing, boating, and swimming. The park also offers several trails for hiking and biking. Another popular destination is the Choke Canyon Reservoir, which is a prime spot for fishing and birdwatching. Overall, Calliham's unique climate and hydrology attract outdoor enthusiasts to enjoy various recreational activities.