Santo, Texas is a small town located in Palo Pinto County. It experiences a humid subtropical climate characterized by hot summers and mild winters. Summers are typically hot and humid, with temperatures often exceeding 90°F (32°C) and occasional thunderstorms. Winters are generally mild, with temperatures ranging from 40°F (4°C) to 60°F (15°C). The area receives an average annual precipitation of around 35 inches, with the majority occurring during the spring and fall months.

Hydrologically, Santo is situated near the Brazos River basin. This river system provides a water source for the town and supports various aquatic ecosystems. Additionally, there are several creeks and small reservoirs in the area that offer opportunities for fishing, boating, and other water-based activities.

For outdoor enthusiasts, Santo offers plenty of recreation opportunities. The nearby Palo Pinto Mountains State Park provides picturesque hiking trails, camping spots, and wildlife observation areas. The surrounding countryside is ideal for horseback riding, birdwatching, and photography. The Brazos River also offers opportunities for fishing, kayaking, and canoeing.

In summary, Santo, Texas has a humid subtropical climate, is located near the Brazos River basin, and offers outdoor recreation opportunities such as hiking, camping, fishing, and boating.