SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/dad-fridge-40f

What temperature should your refrigerator be set at or below?

40°F (4°C) or below, with the freezer at 0°F.

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  1. 50°F
  2. 40°F ✔
  3. 45°F

Why: Cold slows bacteria growth. A fridge at 40°F or colder is the target, and the freezer should be 0°F or colder.

Huh, didn't know that: FoodSafety.gov says to use an appliance thermometer to be sure of the real temperature.

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References

Answer: 40°F. Cold slows bacteria growth. A fridge at 40°F or colder is the target, and the freezer should be 0°F or colder.

  1. FoodSafety.gov: 4 Steps to Food Safety www.foodsafety.gov/keep-food-safe/4-steps-to-food-safety
    Your refrigerator should be set to 40°F (4°C) or below and your freezer to 0°F (-18°C) or below.
    Checked 2026-10-10.

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