Currently, the cheapest month to rent a car at Obihiro Airport is November. The most expensive time to rent a car is October. 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.
JR Rent a Car
JR Hokkaido Rent a Car
keddy by Europcar
Yes, renting a vehicle at Obihiro Airport for a month is certainly possible.