Does your door suddenly become harder to open or close whenever it rains?
Maybe it scrapes against the floor, feels tighter than usual, or even gets stuck halfway.
If this sounds familiar, you’re definitely not alone.
In Singapore, many homeowners notice their doors becoming harder to close during rainy periods — and the reason usually comes down to humidity and moisture.
The good news? In many cases, the problem is manageable.
Here’s why your door may keep sticking during rainy weather — and what you can do about it.
Why Does Rainy Weather Affect Doors?
Singapore’s weather is naturally humid, but rainy periods can increase moisture levels even further.
Certain door materials — especially older wooden doors — absorb moisture from the air.
When this happens, the material expands slightly, causing the door to:
- Feel tighter
- Rub against the frame
- Scrape the floor
- Become harder to lock or close
Even a small amount of swelling can affect how smoothly a door functions.
1. Humidity Causing Door Expansion
This is the most common reason.
During rainy weather, increased humidity causes some materials to expand.
You may notice:
- The problem gets worse only when it rains
- The door feels normal on sunny days
- Closing suddenly requires extra force
This often happens gradually over time.
Commonly Affected Areas:
- Bedroom doors
- Toilet doors
- Main entrance doors
Especially older timber-based doors.
2. Moisture Exposure Near Wet Areas
For toilet doors or kitchens, moisture may already be building up over time.
Rainy weather simply makes the issue more obvious.
Signs include:
- Swollen edges
- Peeling surfaces
- Difficulty closing properly
Bathrooms with poor ventilation tend to experience this more frequently.
3. Loose Hinges Or Alignment Issues
Sometimes, humidity reveals an issue that was already there.
Loose hinges or slight alignment problems may become more noticeable when doors expand slightly.
You may notice:
- Uneven gaps
- Rubbing on one side
- Lock becoming harder to turn
4. Ageing Door Materials
Older doors naturally become more sensitive to moisture over time.
Years of exposure to:
- Humidity
- Daily wear and tear
- Moisture
…can slowly weaken how well the material holds its shape.
Can A Sticking Door Be Fixed?
In some cases, yes.
Minor Swelling
If the issue only happens occasionally, small adjustments may help.
This could include:
- Improving ventilation
- Keeping areas dry
- Tightening loose hinges
Ongoing Problems
If your door:
✔ Swells repeatedly
✔ Scrapes constantly
✔ No longer closes properly
…it may be a sign that the material is no longer coping well with humidity.
How To Prevent Doors From Sticking During Rainy Weather
Improve Ventilation
Better airflow may help reduce trapped moisture indoors.
Keep Wet Areas Dry
Avoid water pooling near toilet or kitchen doors.
Check Hinges Regularly
Loose hinges may worsen sticking issues.
Choose Suitable Door Materials
For moisture-prone areas, some homeowners choose more humidity-resistant materials designed for long-term durability.
When Should You Consider Replacement?
You may want to look into replacement if:
✔ The problem keeps returning every rainy season
✔ The door no longer closes smoothly
✔ Swelling or peeling is visible
✔ Repairs only help temporarily
Sometimes, replacing an ageing door may save more frustration long term.
Final Thoughts
A door that keeps sticking during rainy weather is usually caused by humidity and moisture affecting how the material expands.
While small issues may be manageable, recurring sticking can sometimes point to deeper wear, swelling, or material problems.
And if rainy weather keeps making your door harder to close, it may be worth checking whether the current material is still suitable for Singapore’s humid climate.
At Bumi Megah, we’ve been supplying and installing quality doors across Singapore since 2004. Whether you’re dealing with swollen doors, recurring humidity issues, or simply exploring more durable options for long-term use, our team offers a wide range of door solutions designed for Singapore homes.
From bedroom and toilet doors to laminate, WTP (Water & Termite Proof), fire-rated, and sliding doors, we help homeowners find practical options suited to different lifestyles, spaces, and renovation needs.
Visit our showroom at 10 Admiralty Street, #04-43 North Link Building, Singapore 757695, or contact us for a free consultation today.
Frequently Asked Questions (FAQ)
Why does my door stick when it rains?
Humidity during rainy weather may cause certain door materials to expand slightly.
Can rainy weather damage doors?
Over time, repeated moisture exposure may affect certain materials, especially in humid environments.
Why is my door harder to close during rainy season?
Humidity can affect door alignment and swelling, making closing more difficult.
Can swollen doors go back to normal?
Minor swelling may improve temporarily, but recurring issues often return if moisture exposure continues.