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.
The Great Basin Desert is the largest desert in the United States of America. It covers a land surface area of about 190,000 square miles. It is bordered by the Rocky Mountains to the east, the Sierra Nevada range to the west, and the Sonoran and Mojave Deserts to the south, while the Columbia Plateau borders the desert to the north.