Lacombe, Louisiana is a small community located in St. Tammany Parish, known for its beautiful natural surroundings and diverse outdoor recreational opportunities. The climate in Lacombe is characterized by hot and humid summers, with average temperatures reaching the mid-90s Fahrenheit, and mild winters with temperatures averaging in the 60s. The area experiences a significant amount of rainfall throughout the year.

Lacombe is surrounded by various bodies of water, including Lake Pontchartrain, Bayou Lacombe, and Bayou Bonfouca. These waterways not only provide scenic views but also offer excellent opportunities for fishing, boating, and kayaking. Lacombe is also home to the Big Branch Marsh National Wildlife Refuge, which encompasses over 18,000 acres of wetlands, pine forests, and wildlife habitats. This refuge provides a range of outdoor activities such as hiking, bird-watching, and wildlife photography.

In terms of hydrology constituents, Lacombe's proximity to Lake Pontchartrain and the bayous means that water quality is an important concern. The community actively participates in efforts to monitor and preserve the health of these water bodies, including measures to control pollutants and maintain ecosystem balance.

Overall, Lacombe's climate, hydrology constituents, and outdoor recreation opportunities make it a desirable destination for nature enthusiasts and those seeking to experience the beauty of Louisiana's bayou region.