Currently, the cheapest month to rent a car in Caribbean is October. The most expensive time to rent a car is December. The cheapest prices for each month are shown above, but prices will vary based on availability, how far out you book your rental car, and of course, car type.
Sixt is one of the most popular car hire companies in Caribbean, offering car hire for around S$ 347 per week on average.
Typically, how long you can rent a car for depends on the inventory of the supplier. For Caribbean however, it is certainly possible to rent a car for an entire month.