Neffs, Ohio is a small rural village located in Belmont County in the southeastern part of the state. The village experiences a humid continental climate with warm summers and cold winters. Summers are typically mild with temperatures ranging from the low 70s to mid-80s Fahrenheit, while winters are cold with temperatures averaging in the 20s to 30s Fahrenheit. Precipitation is fairly evenly distributed throughout the year.

In terms of hydrology, Neffs is situated near the Ohio River, which provides opportunities for boating, fishing, and other water-based activities. The area is also home to several small creeks and streams that contribute to the local hydrology.

Neffs and its surrounding areas offer numerous outdoor recreational opportunities. The nearby Ohio River allows for boating, kayaking, and fishing, attracting water enthusiasts. Belmont Lake State Park, located about 30 minutes away, offers hiking trails, picnic areas, and a fishing lake. For those who enjoy hunting, there are also several designated hunting areas in the region. Neffs is also surrounded by lush natural landscapes, making it an ideal location for outdoor activities like camping, hiking, and wildlife observation.