Brownsville is located in the southernmost tip of Texas and has a tropical climate characterized by hot and humid summers and mild winters. The city receives an average of 25 inches of rainfall annually, with the wettest months being May through September. The hydrology of Brownsville is primarily influenced by the Rio Grande River and its tributaries. The city has several parks and outdoor recreational areas, including the Palo Alto Battlefield National Historical Park, Resaca de la Palma State Park, and the Gladys Porter Zoo. The nearby South Padre Island offers opportunities for beach activities, fishing, and water sports. Additionally, the city has several golf courses and nature preserves for outdoor enthusiasts to enjoy.