Source: Wikipedia, the free encyclopedia

Texas's climate varies widely, from arid in the west to humid in the east. Due to its large size, Texas is home to several different climates. Texas ranks first in tornado occurrence with an average of 139 per year. There are several distinct regions within the state which have varying climates: Northern Plains, Big Bend Country, Texas Hill Country, Piney Woods, and South Texas. Tropical cyclones can impact the state from the Gulf of Mexico, or from an overland trajectory originating in the eastern Pacific ocean. Significant floods have occurred across the state throughout history, both from tropical cyclones and from stalled weather fronts. Generally speaking, the eastern half of Texas is humid subtropical, while the western half is semi-arid (with some arid regions).