The speed limit in Kushiro is 40 mph, unless otherwise stated on road signs. Kushiro also has a suburban speed limit of 50 mph which is strictly enforced. If you find yourself on a motorway in Kushiro, be aware that the speed limit is generally 75 mph.
The weather in Kushiro during January would likely not impact the type of hire car much. momondo users do seem to prefer certain car types when looking for a Kushiro car hire.
Those looking to hire a car in Kushiro for a road trip to the surrounding areas, please know the weather in Hokkaido Prefecture during the month of January usually is around -4 °C with 80 mm of possible rain.