Pantry humidity — keeping dry goods dry
The Dew. Journal

Pantry humidity — keeping dry goods dry

by Kath P on May 19, 2026

Why does my pantry feel humid?

Pantries feel humid because they sit beside ovens, dishwashers and kettles — three of the highest moisture sources in any home — and are usually closed for most of the day. The air inside a pantry takes on whatever the kitchen produced during cooking and then holds it. The result is dry goods that absorb moisture and lose freshness faster than they should.

What humidity does to pantry staples

Item What humidity does Sign it's affected
Flour, sugar, rice Clumps; loses leavening power Hardened lumps in the bag
Spices and dried herbs Loses aroma; clumps Faded smell when opened
Pasta Absorbs moisture; cooks unevenly Sticky when boiled; longer cooking time
Crackers and cereal Goes stale fast Loss of crunch within days of opening
Coffee beans Stales; loses oils Flat-tasting brew
Honey, syrups Ferments over time Cloudiness or bubbles

The basic pantry rules

  1. Decant flour, sugar, rice and pasta into airtight containers within a few days of opening.
  2. Keep spices in jars rather than bags. Out of direct sunlight.
  3. Don't put the pantry directly beside the oven if you have a choice of layout.
  4. Open the pantry door for a few minutes after cooking — let the humid kitchen air swap for drier air from the rest of the house.
  5. Once a month, take everything out, wipe down shelves, and check for any items past their prime.

Should I use a moisture absorber in the pantry?

Yes — a small one. The Dew Neutral pouch suits the pantry well because it carries no fragrance to transfer to food. Hang it on the back wall of the pantry, well away from any direct food contact. The pouch handles the post-cooking humidity surge that would otherwise settle into the dry goods on the lower shelves.

What about silica gel sachets in containers?

The little silica sachets you find in seaweed packets or vitamin bottles are safe to reuse inside airtight containers of dry goods. One sachet per kilo of flour, sugar or pasta keeps the contents drier and extends shelf life by months. Don't use the food-grade calcium chloride from a moisture absorber inside food containers — it's safe in normal contact but not meant for direct food contact.

Related reading

Related Articles
Couple in a bright, moisture-free kitchen showing the benefits of preventing moisture in the home
health

Why It's Good to Prevent Moisture in Your Home

Read more
Leather bag and throw blanket on a couch in a humid Australian home, illustrating how mould can grow on clothes and fabric items
Australia

How to Stop Mould Growing on Clothes in Humid Australian Homes

Read more
Organised built-in wardrobe with neatly folded clothes on shelves, relevant to musty wardrobe smells caused by trapped moisture
home tips

Why Does My Wardrobe Smell Musty? Causes and How to Fix It

Read more
Flat lay of accessories including a handbag and sunglasses, comparing moisture absorber solutions for protecting items from humidity
comparison

Hanging Moisture Absorbers vs Silica Gel vs Dehumidifiers: Which Actually Works?

Read more

Shop the Story

10% Off In Stock
Regular price From $53.85 AUD
Sale price From $53.85 AUD Regular price
In Stock Staff Pick
Regular price From $19.95 AUD
Sale price From $19.95 AUD Regular price
Best Seller In Stock
Regular price From $19.95 AUD
Sale price From $19.95 AUD Regular price
In Stock
Regular price From $19.95 AUD
Sale price From $19.95 AUD Regular price