This Is the Safest Temperature for Your Fridge

Keep your food fresh longer—and help prevent foodborne illness—by finding the ideal refrigerator temperature.

Open Refrigerator Filled With Fresh Fruits And VegetableShutterstock / Andrey_Popov

Is your food going bad more quickly than usual? (Psst! Here’s how long it’s supposed to last.) If produce is wilty, cheese is warm and ice cream is coming out of the freezer like soup, your fridge temp might need a checkup.

The Best Temperature for Your Fridge

The ideal refrigerator temperature is at or below 40° F (4° C), and your freezer temperature should be 0° F (-18° C). While some refrigerators and freezers are outfitted with all the bells and whistles, they might not have a built-in thermometer. Fortunately, appliance thermometers are generally inexpensive and can be found in most kitchen appliance stores or on Amazon.

Finding the optimal refrigerator temperature is key to making sure that your produce and leftovers last as long as possible, and is one of the easiest ways to prevent foodborne illnesses from eating expired and rancid milk, eggs and dairy. While properly freezing is a great way to store bulk items like meat, the FDA notes that it does affect “tenderness, flavor, aroma, juiciness, and color” the longer that your foods are frozen. Here’s our guide to navigating foods with freezer burn.

If you’re worried about your leftovers going bad before you can get to them, get creative! As our food editor, Peggy Woodward, says, “Leftover meat can be added to a simple soup or combined with eggs into a flaky quiche or frittata. If you have a small amount of leftover cooked vegetables, put an egg on top and enjoy the dish for supper. Leftover grains make tasty fried rice. Fruits can go into a fruit salad, chopped vegetables into a stir-fry.” Try these recipes for leftover chicken, too.

3 More Refrigerator Rules to Follow

Regularly monitoring your thermometer is the best way to make sure your food is safe, but just in case your refrigerator or freezer gets too warm or chilly, there are ways to ensure everything is working properly.

  • Close the door! It’s easy to leave the door open while you’re cooking or unpacking groceries, but only leave the doors open when absolutely necessary.
  • Spread out your food. It seems silly, but keep your food spread out so air can properly flow through the fridge and freezer. A fully stocked fridge is more likely to be warmer than a less stocked one.
  • Clean your coils. Like other appliances, your fridge might need a little TLC from time to time. Make sure to clean the coils at least once per year to keep everything running smoothly.
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Jacqueline Weiss
Jacqueline is a blogger and writer, passionate about sharing the latest in helpful tips and trends in food and cooking. In her spare time, you’ll find her trying new restaurants and experimenting in the kitchen.