Denver, Colorado is known as The Mile High City because it is exactly one-mile above sea level. It is the capital of the state, as well as the largest city, with just over 610,000 people calling the area home. The average temperature in the summer is 80 degrees, with highs reaching around 90 degrees. Winter can bring temperatures in the single digits. Snowfall in the area usually begins mid-October and lasts until April. This city receives about 64 inches of snow per year, which is normal for many areas in Colorado. The Denver International Airport, or DIA, is available for flights, and taxi cabs and rental cars are also used in the area.