Can cheese be kept unrefrigerated?
Rachel Newton
Updated on April 22, 2026
According to Sarah Hill, Manager of Cheese Education and Training for the Wisconsin Milk Marketing Board, cheese can be left at room temperature for up to two hours, as can all perishable foods. However, leftover unrefrigerated cheese should be handled differently, depending on the type.
How long will cheese last unrefrigerated?
And as for how long you can leave it out, soft cheeses can stay out for 2 to 4 hours, while harder cheeses can stay out for up to 8 hours. Beyond that, the fat will start to leach out of the cheese, giving the surface a greasy appearance, and altering its texture.Is unrefrigerated cheese OK?
Soft cheeses such as cream cheese, cottage cheese, shredded cheeses, and goat cheese must be refrigerated for safety. As a general rule, hard cheeses such as cheddar, processed cheeses (American), and both block and grated Parmesan do not require refrigeration for safety, but they will last longer if kept refrigerated.How long can cheddar cheese go unrefrigerated?
When serving soft and processed cheeses, it is safer to discard them if they have been sitting out for more than 2 hours, and hard cheeses should be wrapped well and put back in the refrigerator if they have been unrefrigerated for 4 hours or longer.What happens if sealed cheese is not refrigerated?
"Leaving cheese out overnight may impact the quality of the product, but would not—in most cases—result in a food safety issue," explains Adam Brock, director of technical services at Wisconsin Milk Marketing Board. If anything, there's a good chance you're over-refrigerating your cheese.Can Cheddar Cheese Be Left Unrefrigerated
How can you tell if cheese is spoiled?
You'll be able to tell if a cheese is terrible by its scent and color. It will have a sour, crumbly texture and a strong odor. It should be thrown away right away. You can sniff the cheese if you're not sure if it's nasty, and it's preferable if you use it within seven days of receiving it.Will cheese go bad if left out overnight?
Cheeses can stay out for up to six hours and hard cheeses can stay out even longer. According to research done in Wisconsin, cheese can stay out for up to six hours at 70°F or cooler without growing life-threatening amounts of bacteria.What happens if you eat spoiled cheese?
Dangers of eating moldy cheeseMolds can carry harmful bacteria, including E. coli, Listeria, Salmonella, and Brucella, all of which can cause food poisoning ( 5 , 6 ). The symptoms of food poisoning include vomiting, stomach pain, and diarrhea. In severe cases, it may lead to death.