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AhaBulb: Stuff Everyone Should Know · ahabulb.com/fridge-forty-degrees

What is the highest recommended temperature for your refrigerator?

40°F.

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  1. 45°F
  2. 40°F ✔
  3. 50°F

Why: Keep the fridge at 40°F or below. An appliance thermometer checks the actual temperature.

Huh, didn't know that: Packed shelves can block the cold air that food needs.

The dad joke
What do you call a cold dog? A chili dog.
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References

Answer: 40°F. Keep the fridge at 40°F or below. An appliance thermometer checks the actual temperature.

  1. FDA: Refrigerator Thermometers, Cold Facts about Food Safety www.fda.gov/food/buy-store-serve-safe-food/refrigerator-thermometers-cold-facts-about-food-safety
    keep its temperature at 40 °F or below
    Checked 2026-10-07.

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