Terrytown, Louisiana is a suburban community located in Jefferson Parish, just across the Mississippi River from New Orleans. The climate in Terrytown is typically humid and subtropical, with hot summers and mild winters. Summers are characterized by high temperatures, reaching an average of 90°F (32°C), while winters tend to be mild with temperatures averaging around 60°F (15°C). The area experiences frequent rainfall throughout the year, with the highest precipitation occurring during the summer months.

Hydrologically, Terrytown is influenced by its proximity to the Mississippi River. The river provides a significant water source for the region and plays a vital role in the local economy. Additionally, the area is dotted with several canals and waterways, contributing to the hydrological composition of the region.

Terrytown offers various outdoor recreation opportunities for residents and visitors. The nearby Bayou Segnette State Park is a popular destination for outdoor enthusiasts. The park features hiking trails, fishing spots, picnic areas, and a wave pool for cooling off during the hot summer months. Additionally, the Mississippi River offers opportunities for boating, kayaking, and fishing. The region's diverse outdoor offerings make Terrytown a great place for individuals looking to enjoy nature and engage in recreational activities.