10 days
Hurricane Katrina formed on August 23, 2005 and dissipated on August 31 of the same year. It began as Tropical Storm Twelve of the season and caused billions of dollars in damage to become the...
A hurricane usually lasts several days. The longest lived hurricane lasted 31 days.
0.5 days min. -3 days max. due to the fact that they lose energy once they mov off of warm water.
Hurricane Ike started on September 1st of 2008 and ended on September 14.