Mathews, Louisiana is a small town located in Lafourche Parish, about 40 miles southwest of New Orleans. The climate in Mathews is typically humid subtropical, characterized by hot and humid summers and mild winters. Average temperatures range from the 50s°F in winter to the 90s°F in summer, with rainfall spread throughout the year.

Hydrology is an essential element of Mathews' geography, as the town is situated along the banks of Bayou Lafourche. This waterway is a vital source of freshwater for the region, supporting various aquatic ecosystems and providing opportunities for fishing, boating, and bird-watching. Additionally, Mathews is surrounded by marshes and wetlands, which are important habitats for a diverse range of wildlife.

Outdoor recreation enthusiasts can explore the nearby Mandalay National Wildlife Refuge, which offers opportunities for hiking, wildlife observation, and photography. Fishing enthusiasts can venture out to the Gulf of Mexico, accessible from nearby marinas, to catch a variety of species including redfish, speckled trout, and flounder. Mathews' proximity to the coast also allows for recreational activities like crabbing, shrimping, and boating in the bayous and estuaries. Overall, Mathews provides a unique blend of outdoor opportunities amidst its picturesque wetland surroundings.