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.
Outside of polar regions, Northern Africa's Sahara Desert is the world's largest desert at more than 3.5 million square miles (nine million square kilometers), which is slightly smaller that the size of the United States, the world's fourth largest country.