Holbrook is a small town located in Oneida County, Idaho. It experiences a continental climate, characterized by hot summers and cold winters. Summers are typically sunny with temperatures averaging around 85°F, while winters are cold with temperatures dropping to around 20°F. The town receives moderate precipitation throughout the year, with slightly higher amounts in the spring and fall.

Hydrologically, Holbrook is situated near the Bear River, which flows through the eastern part of town. The river provides a valuable water resource for both the town and the surrounding agricultural areas. It also offers opportunities for fishing and boating.

Outdoor recreation opportunities in Holbrook are abundant. The town is surrounded by picturesque natural landscapes, including mountains, forests, and open fields. These provide opportunities for hiking, camping, and wildlife observation. Additionally, the Bear River and nearby reservoirs offer great fishing opportunities, with a variety of species such as trout and bass. Hunting is also popular in the area, with opportunities for deer, elk, and waterfowl hunting. Overall, Holbrook provides a serene and natural environment for outdoor enthusiasts to explore and enjoy.