The Coastal Region. The Gulf Coast stretches along the Gulf of Mexico for hundreds of miles. Cities such as Corpus Christi, Galveston, and Houston are in the Gulf Coast. Regional Average Rainfall - 40-60 in./yr. Alvin - 51.73 in. / 28 ft. Baytown - 53.75 in. / 34 ft. Beaumont - 57.38 in. / 27 ft. Corpus Christi - 32.26 in. / 41 ft. Galveston - 43.84 in. / 10 ft. Houston - 47.84 in. / 95 ft. Port Arthur - 59.89 in. / 16 ft. Port Isabel - 28.56 in. / 17 ft. Raymondville - 27.97 in. / 31 ft. Sugarland - 49.34 in. / 82 ft. Victoria - 40.10 in. / 115 ft. Wharton - 45.62 in. / 111 ft.
This is the list. There are the city names with the most rainfall in Texas, along Costal Region.
The coastal region of Texas definitely receives the most rainfall annually. This region would include places like Galveston, Houston, Victoria, Brownsville, and Corpus Christi. The Western part of Texas gets a lot of rainfall as well.