Many of the taxis will accept major credit cards but you should ask the driver before taking the taxi. None, besides the high cost of medical care. Internationals must pay cash in the United States and be reimbursed personally by your insurance provider. Tap water is safe to drink in the United States. The average high temperature in New Orleans in July is 90 and the average low is 76 degrees Fahrenheit.
Humidity is very high in the summer.
Be sure that at least one person in your group brings along pain reliever and cold medicine for minor illnesses. You may want to purchase an international phone card. Know your international code and be prepared to use coin-operated phones. Keep your wallet in a front pocket, and carry your handbag or purse close to your body. Have fun but remain alert and be aware of your surroundings.