Final answer:
Florida has the most days of thunderstorms in a typical year, often more than 100.
Step-by-step explanation:
The state in the United States with the most days of thunderstorms in a typical year is Florida. Florida is known for its warm and humid climate, which creates the perfect conditions for thunderstorm formation. Thunderstorms are common in Florida due to the warm sea breeze coming from the Atlantic Ocean and Gulf of Mexico. The state experiences thunderstorms almost daily during the summer months, with an average of over 100 days of thunderstorms per year.