Horn Lake is a city located in DeSoto County, Mississippi. It has a humid subtropical climate, characterized by hot, humid summers and mild winters. Summers in Horn Lake are typically hot, with temperatures often reaching the mid-90s Fahrenheit (35°C), while winters are mild, with temperatures averaging in the mid-40s to low 50s Fahrenheit (4-11°C).

Horn Lake is situated near several bodies of water, including Lake Cormorant and the Mississippi River. The hydrology constituents of the area include these water bodies, as well as smaller streams and creeks. These waterways offer opportunities for boating, fishing, and other water-based activities.

Outdoor recreation enthusiasts can also explore the nearby parks and natural areas. Horn Lake is home to Latimer Lakes Park, which features walking trails, playgrounds, and picnic areas. It is also just a short drive away from the DeSoto National Forest and Arkabutla Lake, offering additional opportunities for hiking, camping, fishing, and wildlife observation.

In conclusion, Horn Lake, Mississippi, offers a humid subtropical climate with hot summers and mild winters. The city's hydrology constituents include Lake Cormorant and the Mississippi River, providing opportunities for various water-based activities. Additionally, outdoor recreation enthusiasts can enjoy parks, forests, and lakes in the surrounding area.