How long can oranges be kept in the refrigerator? Oranges can only be kept in the refrigerator for 3-5 days. Orange is a kind of fruit that requires high environmental temperature and humidity. The suitable storage temperature of oranges is 4- 10℃ and the humidity is about 70%. Although the temperature of the household refrigerator is low, the humidity in the refrigerator is about 90%. Oranges stored in it are easy to breed bacteria and lead to corruption.