The 1984 Atlantic hurricane season officially began on June 1, 1984 and ended on November 30, 1984. Sometimes storms form outside these dates for example. An example of this is Hurricane Lili, which formed on December 12. Lili lasted until December 24.
This season was active, with 17 depression, 13 of them became a tropical storm, 5 of the tropical storms became hurricanes, and 1 of the hurricanes became a major hurricane. Most of the cyclones were weak. The only very damaging storm was Hurricane Diana. Diana was the major hurricane of the season, and the only storm to affect land as a hurricane.