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What is the average humidity level in a refrigerator?

Factors that alter refrigerator humidity

It’s a comfort to know that you always have the freshest ingredients preserved to perfection in your home refrigerator. That’s why it helps to be mindful of usage habits and the foods you store in the fridge, because they all have an impact on its internal humidity. If you want a consistent humidity level for the freshest foods, here’s what our experts say are the top factors to consider:

Humidity baseline for your refrigerator:

Humidity will always be lower at colder temperatures because warmer air retains more moisture. Refrigerator temperatures will shift throughout the day and are impacted by the surrounding climate. Ideally, refrigerator humidity will stay at levels between 30% and 50%.

What is in your fridge:

What you store (and how much you store at a time) will affect fridge humidity. For instance, those warm leftovers from dinner will cause humidity levels to creep up. Likewise, if your fridge is overfilled, vent fans will struggle to maintain a consistent temperature.

How often fridge doors open and close:  

Avoid leaving fridge doors open longer than necessary. Warm air will enter the cabin and cause humidity levels to rise.

Now that you know about typical refrigerator humidity patterns, let’s explore ways to optimize your food storage—and understand how to diagnose humidity issues.

Crisper drawers—your most effective humidity tool

Your best tool to preserve humidity-sensitive foods is your fridge’s crisper drawer. The ambient humidity of your refrigerator will trend lower, so crisper drawers are ideal for foods that stay freshest at higher humidity levels. Here’s our guide to high and low humidity foods:

High humidity: 

Anything that thrives in a good misting benefits from high-humidity storage in a closed crisper. Some examples include:

  • Broccoli
  • Cabbage
  • Carrots
  • Herbs
  • Leafy greens

Low humidity: 

Foods that are prone to rotting hold up best in an open crisper set at low humidity. Some examples include:

  • Apples
  • Avocadoes
  • Peaches
  • Mangos
  • Melons

Your best tool to preserve humidity-sensitive foods is your fridge’s crisper drawer. The ambient humidity of your refrigerator will trend lower, so crisper drawers are ideal for foods that stay freshest at higher humidity levels. Here’s our guide to high and low humidity foods:

High humidity: 

Anything that thrives in a good misting benefits from high-humidity storage in a closed crisper. Some examples include:

  • Broccoli
  • Cabbage
  • Carrots
  • Herbs
  • Leafy greens

Low humidity: 

Foods that are prone to rotting hold up best in an open crisper set at low humidity. Some examples include:

  • Apples
  • Avocadoes
  • Peaches
  • Mangos
  • Melons

What causes humidity in a refrigerator?

When humidity gets out of control in your fridge, your food won’t stay fresh as long as it should. Humidity issues can be caused by:

Damaged thermostat:   

The mechanisms that cool your refrigerator rely on accurate temperature readings. A broken thermostat can throw off the whole system. In the worst cases, your refrigerator will fluctuate from warm to freezing, causing condensation and irregular humidity levels.

Obstructed vents:   

Debris-covered, damaged, or iced-over, a blocked vent can prevent your refrigerator from cooling properly and allow humidity problems to take over.

Flimsy door seal:   

An effective door seal keeps the cool in and ambient outside temperatures out. If a door seal is improperly fitted, air can enter and alter the interior temperature, causing unwanted humidity.

When humidity gets out of control in your fridge, your food won’t stay fresh as long as it should. Humidity issues can be caused by:

Damaged thermostat:   

The mechanisms that cool your refrigerator rely on accurate temperature readings. A broken thermostat can throw off the whole system. In the worst cases, your refrigerator will fluctuate from warm to freezing, causing condensation and irregular humidity levels.

Obstructed vents:   

Debris-covered, damaged, or iced-over, a blocked vent can prevent your refrigerator from cooling properly and allow humidity problems to take over.

Flimsy door seal:   

An effective door seal keeps the cool in and ambient outside temperatures out. If a door seal is improperly fitted, air can enter and alter the interior temperature, causing unwanted humidity.

Fridge still too humid?

With few tweaks to your refrigerator, most humidity issues can be fixed. If you have more persistent humidity issues, call or schedule a virtual appointment for appliance care from Bodewell.

With few tweaks to your refrigerator, most humidity issues can be fixed. If you have more persistent humidity issues, call or schedule a virtual appointment for appliance care from Bodewell.

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Local manufacturer-certified technicians

Genuine parts

Expert service using genuine manufacturer parts

Flexible service options

In-home or virtual assistance built around your schedule

More appliances serviced

We service many appliances from most major brands

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