San Diego, TX is a small city located in South Texas. It has a population of just under 4,000 people so it is a great place to escape the hustle and bustle of the big city. The climate is warm and sunny year-round with an average temperature of 70 degrees Fahrenheit. In San Diego you can enjoy plenty of outdoor activities including camping, hiking, fishing and birdwatching. There are also some excellent restaurants that serve up delicious Mexican food. The community is friendly and welcoming with an abundance of local festivals and events throughout the year. All in all, living in San Diego is an enjoyable experience for anyone looking for a peaceful retreat from their busy lives.