The largest city in Arizona is Phoenix, with a population of 1,513,367 as of 2013. Tucson and Mesa are the second and third largest cities in Arizona, with populations of 526,116 and 457,587 respectively.
Phoenix, which is also the sixth largest city in the United States, is known for its sunny weather. The average annual temperature is 72 F, with an average annual high temperature of 85 F. During the winter, the average high temperature is 67 F. Phoenix receives less than 8 inches of rain per year. According to the National Climatic Data Center, the sun shines in Phoenix 85 percent of daylight hours, which is more than any other major U.S. metropolitan area.