Day Length: 10h 15m 37s See sunrise, sunset, solar noon, day length, and twilight information for the whole month in the table below.
1 The Chihuahuan Desert â the largest desert in North America, located in the Southwestern United States and Northern Mexico - (140,000 square miles (360,000 km 2)). 2  The Sonoran Desert â a desert located in the Southwestern United States and Northwest Mexico. 3  It is the second largest desert in North America.
Chances are, it is the saguaro, an iconic symbol of the American Southwest. The saguaro (Carnegiea gigantea), sometimes called the giant cactus, is the largest cactus in the United States. They can be up to 50 feet tall, two feet in diameter, and weigh nine tons. They are an indicator species of the Sonoran Desert.