New-Site, Mississippi is located in the southern region of the United States. The climate in this area is characterized by hot, humid summers and mild winters. The average annual temperature is around 65°F (18°C), with temperatures often reaching over 90°F (32°C) in the summer months. The area receives a moderate amount of rainfall throughout the year.

In terms of hydrology constituents, New-Site is situated near the Tombigbee River, which provides opportunities for water-based activities such as fishing, boating, and kayaking. The river is home to various fish species, including bass, catfish, and crappie.

When it comes to outdoor recreation, New-Site offers a range of opportunities. The nearby Tombigbee National Forest provides acres of wooded areas for hiking, camping, and wildlife viewing. Additionally, the area has several parks and recreational facilities that offer sports fields, playgrounds, and picnic areas. Nature enthusiasts can explore the different trails and enjoy the natural beauty of New-Site and its surroundings.