Knox City, Texas is a small town located in Knox County in the state's north-central region. The climate in Knox City is characterized as a humid subtropical climate with hot summers and mild winters. Summers are typically hot and dry, with average temperatures in the 90s°F (32°C), while winters are mild with temperatures ranging from the 30s°F (-1°C) to the 60s°F (15°C).

As for hydrology constituents, Knox City is part of the Brazos River basin, with the Brazos River flowing nearby. The area also has several small creeks and reservoirs that contribute to the local hydrology.

Knox City offers various outdoor recreation opportunities for nature enthusiasts. The town is known for its proximity to the beautiful Copper Breaks State Park, which features rugged canyons, hiking trails, and a lake that offers fishing and boating activities. The park also provides camping facilities for visitors. Additionally, the area surrounding Knox City offers opportunities for hunting, bird watching, and wildlife observation.

In summary, Knox City, Texas experiences a humid subtropical climate with hot summers and mild winters. It is located near the Brazos River basin and offers outdoor recreation opportunities such as hiking, fishing, boating, camping, hunting, and wildlife observation, with Copper Breaks State Park being a major attraction in the area.