What temperature to keep a fridge?

Author: Aisha Watsica  |  Last update: Sunday, June 22, 2025

The ideal refrigerator temperature is 40 degrees Fahrenheit or below in the main part of the fridge. The optimal temperature for keeping foods cold is 37 degrees Fahrenheit. If you're wondering what temperature should a refrigerator be, put a thermometer inside your fridge.

Is 37 degrees too cold for a refrigerator?

Your refrigerator should be set at or below 40°F (4°C) to keep food safe and prevent bacterial growth. Ideally, the temperature for the refrigerator is around 37°F (3°C). For the freezer, the temperature should be 0°F (-18°C) or lower.

Is 45 degrees a safe temperature for a refrigerator?

Chilling foods to proper temperatures is one of the best ways to slow the growth of these bacteria. To ensure that your refrigerator is doing its job, it's important to keep its temperature at 40 °F or below; the freezer should be at 0 °F.

Will food go bad at 45 degrees?

45C-55C (113F to 131F) is right in ``danger zone'', which is the most hospitable environment for food borne pathogens to grow. It's not an issue of pasteurization. It is safe food holding temperatures. So, you want to avoid storing perishable food in this temperature range for more than 2 hours.

Is 34 degrees too low for a refrigerator?

The Department of Agriculture states bacteria multiply quickly in the "Danger Zone," which is temperatures beginning at 40°F (4.5°C). It's best to set your temperature gauge a few degrees below that. Most experts recommend that the ideal temperature setting for a refrigerator is between 35-38°F (1.6-3.3°C).

What temperature should I set my refrigerator to?

Is 33 degrees OK for refrigerator?

The ideal refrigerator temperature is about 37°F (3°C). However, a range of 33–40°F (0–4°C) is generally accepted as safe for most purposes.

Is 35 degrees cold enough for fridge?

The refrigerator temperature should remain under 40 degrees in all sections. Don't leave perishable foods out of refrigeration for more than two hours.

Is milk ok at 44 degrees?

By law, Grade A milk must be maintained at a temperature of 45 °F or below. Bacteria in milk will grow minimally below 45 °F. However, temperatures well below 40 °F are necessary to protect the milk's quality.

How warm can a refrigerator get before food goes bad?

If the temperature of an item has been above 40 degrees for more than two hours, throw the item away. (Check the chart for guidelines.) If freezer foods are below 40 degrees and they still have ice crystals, they can be refrozen.

Is cheese safe at 45 degrees?

While the optimal temperature for cheese is between 35 and 45 degrees Fahrenheit, Cabot cheeses are hardy enough to withstand a short time period without refrigeration.

What if my fridge is 43 degrees?

Everything in your fridge typically chills at or just below 40 degrees Fahrenheit (4 degrees Celsius). Temperatures that climb above that level enter what's ominously referred to as the “Danger Zone.” Bacteria can grow quickly on perishable food kept at warmer temperatures.

How long will milk last at 45 degrees?

In general, perishable foods like milk should not sit out of the refrigerator or cooler for longer than two hours. Cut that time down to an hour in the summer if the temperature reaches 90 degrees F.

Why is my fridge only cooling to 45 degrees?

There are several causes for a refrigerator that doesn't cool, including dirty condenser coils, poor ventilation, improper installation, faulty or dirty gasket seals, unorganized food storage, appliance location and malfunctioning internal parts.

Should I turn my fridge up or down if it's too cold?

If it's set too cold, set it higher and give it a day to adjust. Be sure to only adjust the temperature in relatively low increments, checking with a thermometer every 24 hours.

Where should raw meat be stored in the fridge?

1. Store raw food like meat, poultry, fish, sausages, bacon etc., in the bottom part of the fridge so that juices cannot drip on foods below. 2. Store ready-to-eat foods such as cooked meats, pies and dairy products such as cheese, butter, cream and yoghurt in the top part of the fridge.

What is the safest temperature for a refrigerator?

The temperature in a refrigerator should be 40 °F or below throughout the unit, so that any place is safe for storage of any food. Raw meat, poultry, and seafood should be in a sealed container or wrapped securely to prevent raw juices from contaminating other foods.

Will food spoil in the fridge at 45 degrees?

The longer they're stored in the refrigerator, the more chance Listeria, a bacterium that causes foodborne illness, can grow, especially if the refrigerator temperature is above 40° F (4° C). Be alert for spoiled food. Anything that looks or smells suspicious should be thrown out.

Do eggs need to be refrigerated?

To reduce Salmonella growth, eggs gathered from laying hens should be refrigerated as soon as possible. After eggs are refrigerated, they need to stay that way. A cold egg left out at room temperature can sweat, facilitating the movement of bacteria into the egg.

What goes bad first in a fridge?

Milk has been named the item most likely to expire in the fridge, according to new research. A survey of 2,000 Americans has revealed that 46 percent say they've been caught by a sour scent in their bottle or carton.

What temperature do eggs go bad at?

Never leave cooked eggs or egg dishes out of the refrigerator for more than 2 hours or for more than 1 hour when temperatures are above 90° F. Bacteria that can cause illness grow quickly at warm temperatures (between 40° F and 140° F).

How long does stuff stay good in the fridge without power?

As the USDA notes in Keeping Food Safe During an Emergency, your refrigerator will keep food safe for up to 4 hours during a power outage. Keep the door closed as much as possible. Discard refrigerated perishable food such as meat, poultry, fish, eggs, and leftovers after 4 hours without power.

Can I drink milk that was left out overnight?

The general rule of thumb is to discard any perishables that have been stored above the “Danger Zone” of 40° F for more than two hours, no matter what their appearance or odor (and never taste the food to try and determine whether it's still safe).”

Is 4 too cold for a fridge?

Here's the short answer: 5 degrees Celsius (41 Fahrenheit) or under. Nasty bacteria thrive at between 8 degrees and 63 degrees, known as the 'danger zone'. This is why the Food Standards Agency recommends keeping your fridge under 5 degrees to be safe.

Which shelf is the coldest in your refrigerator?

The back of the bottom shelf is the coldest spot in the fridge, so store perishable dairy products here to keep them edible, longer. Never store foods with high water content here, like certain fruits or veggies, because the water within them can and will freeze, effectively ruining them!

What is the most accurate refrigerator thermometer?

The ThermoWorks Fridge/Freezer Thermometer is the best overall fridge thermometer because it's a reliable and versatile option. The magnetic thermometer is highly accurate and can be used in both sections of your appliance—or even in a deep freezer.

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