Byhalia, Mississippi has a humid subtropical climate with hot summers and mild winters. The town lies in the Loess Plains region, where the groundwater is relatively high in calcium, magnesium, and bicarbonate. Due to the town's proximity to the Wolf River, the hydrology constituents also include sediment and nutrients like nitrogen and phosphorus. Outdoor recreation opportunities in Byhalia include hiking and fishing at the nearby Wall Doxey State Park, where visitors can explore several trails, picnic areas, and a lake for fishing and boating. The Holly Springs National Forest, about 30 minutes north of Byhalia, provides additional opportunities for outdoor recreation, including camping, hiking, and hunting.