Located in the southwest area of Tennessee, Memphis is the largest city in the state with a population of 646,989 people. The city sits on the Mississippi River and is in close proximity to Arkansas. Named after the ancient capital of Egypt, Memphis was founded in 1819 by John Overton, James Winchester and Andrew Jackson. Memphis offers four distinct seasons, each with varying conditions dependent on the area the weather is coming from. Winters can be very cold or mild, and summers are hot and humid or hot and dry. The hottest month in Memphis is July when temperatures average 92 degrees. January is the coolest month with an average temperature of 42 degrees.