Jayess, Mississippi is a small rural community located in the southern region of the state. The climate in Jayess is classified as humid subtropical, characterized by hot and humid summers, mild winters, and ample rainfall throughout the year. Summers in Jayess are typically hot, with average temperatures in the upper 80s°F (30°C), while winters are relatively mild, with average temperatures in the 50s°F (10-15°C).

Hydrologically, Jayess benefits from its proximity to the Pearl River, which runs through the nearby town of Columbia. The river provides a source of freshwater and supports various aquatic species. Additionally, the area is dotted with smaller creeks and ponds, enhancing the local hydrology.

Outdoor recreation opportunities in Jayess are abundant. The region's natural beauty invites activities such as fishing, boating, and swimming in the numerous water bodies. Hunting is also popular, with a variety of game species present in the surrounding forests, including deer, turkey, and small game. Nature enthusiasts can explore the nearby national forests and wildlife management areas, providing opportunities for hiking, birdwatching, and wildlife photography. Jayess offers a tranquil escape for those seeking to immerse themselves in the great outdoors.