How Long Can You Have Groceries in Your Car?
                                
                                
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                                    3 min read                                
                            
                                According to the USDA, perishable foods should never be left out of refrigeration for more than two hours, a timeframe that drastically shrinks to just one hour when temperatures rise above 90°F. Understanding how long you can have groceries in your car depends entirely on the ambient temperature and the type of food you're transporting.