Window Sill Christmas Decor: Easy DIY Ideas
Looking for window sill Christmas decor ideas? Then take a look at these handmade Christmas decorations for window sills that bring holiday cheer to any room.
There’s something so fun about decorating a window sill for Christmas. It’s a little corner of our room that gets easily forgotten but that can really shine during the holidays.
This year, I transformed our bay window into a cozy holiday display with window sill Christmas decor that’s a little bit handmade, a bit of repurposed and a bit of ready bought. From DIY sparkling stars to fresh white flowers, my window sill is looking mighty festive.

If you’ve been looking for Christmas decorations for window sills that are simple, budget-friendly, and full of charm, you’re in the right place! In this post, I’ll share my favorite window sill Christmas decoration ideas, step by step, so you can bring a little extra festive magic to your own home.

Materials & Budget For DIY Window Sill Christmas Decor
One of the best things about my window sill Christmas decor? It didn’t break the bank. Here’s everything I used, with rough prices so you can plan your own version:
| Item | Estimated Cost |
|---|---|
| White cyclamen (1–3 plants) | $5–8 each |
| Old terra-cotta containers (repurposed) | free |
| White paint + small brushes | $3–5 |
| Glitter star wands & cocktail picks (dollar store) | $1–2 |
| Cardboard, black sharpie, paper straws, glue | $10 (or already on hand) |
| Snowflake/star LED lights (IKEA or similar) | $8-10 |
Total: roughly $40 for the whole display and less if you’re repurposing pots and craft supplies you already own, like I did. Compared to pre-made Christmas window decorations, that’s a real bargain, and everything handmade keeps that personal touch no store-bought decor can match.
A quick tip on keeping costs down: check the dollar store’s kids’ party section first. Those little star wands and glittered cocktail picks cost me almost nothing and saved hours of crafting time.

Choosing the Perfect Flowers for Your Window Sill
One of the easiest ways to start decorating a window sill for Christmas is with flowers. I chose the whitest cyclamen I could find, perfect for a wintery, festive feel. To give the display a fresh, homemade touch, I painted three old terra-cotta containers white.
Ever since I did my double layered Roman blinds I love decorating our window sill in the bay window in the living room. Now that I no longer need to take curtains into consideration I can really use that space as an extra decorating surface.
Pretty white flowers are a great start to my Christmas window sills but the whole decoration needed a little extra.
Since stars are on my mind this Christmas, I decided some extra stars might just be the perfect addition.

How to Make DIY Christmas Stars for Your Window Sill
To make the display truly special, I added handmade stars.
I found these little magical wands in the dollar store in the kids section, they are party favors, I also picked up these glittered star cocktail picks. With glitter and rhinestones both of these could easily be made from scratch but I was low on time and these were dirt cheap.

The process was simple but adds a lot of personality:
- Cut stars from cardboard in various sizes.
- Outline with a black sharpie for definition.
- Separate the glitter stars from their stems
- Glue three layers of stars together for dimension.
- Attach to paper straws to make them “stand tall” in the pots.

I really think those stars add just enough of that bit extra to take these humble window sill containers to the next level. And to christmasify them a bit more.

Adding Christmas Lights to Your Window Sill
No holiday display is complete without lights! I added snowflake/star LED lights I found at IKEA for a night-time effect. The white LED lights paired beautifully with the bright white flowers.They accentuate each other.
I guess you can imagine how cute this looks at night with the curtains closed.
Putting It All Together: Window Sill Christmas Decor Step by Step
Once the flowers, stars, and lights were in place, the window sill looked cozy, festive, and entirely handmade. The best part? These decorations are simple enough to recreate in an evening, but they make a big impact.
If you love a white Christmas as much as I do, then be sure to check out my white living room decked out for Christmas. There is some very lovely Christmas window sill decor idea in there too.

Bay Window Christmas Decorations
If you’re lucky enough to have a bay window, you’ve got the perfect built-in stage for Christmas decor: a bay window is really three or more sills working together, and that changes how you decorate.
I have decorated my bay window sills in different seasons (see my Spring window sill decor here), and I have picked up a few tips along the way.
Instead of spreading the same thing across every sill, create one main focal point on the center sill (that’s where my cyclamen, stars, and lights live) then you can keep the side sills simpler with a single pot or a strand of lights each. That layering draws the eye to the middle of the window and makes the whole bay feel intentional rather than cluttered.
Two practical things worth knowing: bay window sills are often deeper than regular sills, so you have room to display decor in rows — taller pieces at the back, flowers in the middle, lights draped at the front edge. (my sills are in fact regular size, so I did the layering in the containers with the taller stars and the lights tucked in at the front).
And because a bay window is usually the widest light source in the room, don’t forget using the battery-powered LEDs; the reflection of those warm little lights against the glass at night is honestly the coziest part of the whole display.
No bay window? Everything in this post works just as well on a single standard sill. You’ll just want to edit down to one or two groupings so it doesn’t get crowded.

Tips for Long-Lasting Window Sill Christmas Decor:
Your display will look gorgeous on day one — here’s how to keep it that way all the way into January:
Water your cyclamen properly. Cyclamen like to be watered from the bottom, not the top — pour water into the saucer and let the plant drink for 20 minutes, then empty the excess. They hate soggy soil, and wet leaves can rot. A cool windowsill is actually perfect for them; they’ll bloom longer in temperatures of 50–65°F (10–18°C).
Protect decor from condensation. Window sills collect moisture, especially on cold December nights. Keep cardboard stars, paper straws, and anything not water-resistant slightly raised or away from the glass edge — a small saucer under each pot works wonders. If your window tends to weep condensation, check the sill every few days and wipe it dry.
Secure decorations on sloped or narrow sills. My bay window sill is flat, but if yours is pitched or barely a ledge, a small dab of museum putty (the removable kind) keeps pots and stars upright without damaging the paint. Battery packs for the lights can be tucked behind the pots to keep the whole display stable.
Go battery-powered for the lights. Battery LED lights aren’t just safer near curtains and plants — they let you place lights anywhere on the sill without worrying about cords or outlets. Stock up on one set of spare batteries before the holidays; nothing sadder than a dark window on Christmas Eve!
Refresh the flowers mid-season. If your cyclamen starts looking tired by late December, don’t rebuild the whole display — just swap in a fresh plant and reuse everything else. The stars and lights are the stars of the show anyway (pun intended), so a two-minute flower refresh keeps it photo-ready for guests.
Todays project surely is a simple one, but I hope you liked it.
More Christmas Decorating Ideas
If decorating a window sill for Christmas has you in the festive spirit, I have plenty more holiday ideas for you! For small spaces, my post on how to decorate a small living room for Christmas (no tree needed!) shares clever ways to make a big impact without a tree taking up half the room.
And if you loved giving your windows a handmade touch, try making your own Christmas window drawings — it’s a beginner-friendly hack that looks magical from the street — or create faux ice flowers with my snow spray window ideas. Both pair beautifully with the sill display above.
However you decorate, I hope your window becomes the coziest corner of your home this holiday season!

Don’t forget to save this post to your favorite Christmas Ideas board on Pinterest.


I think the white snowflake lights are the extra touch that makes this project really shine! Live the detailed small toucges.
I would absolutely LOVE to have my windowsill adorned with such beauty. Thanks for sharing.
Merry Christmas!!!!!
Lovely addition! I bow down to you for being brave enough to have plants that need water. I keep forgetting to care for them. But I MISS them so much. You window sill resembles fresh fallen snow. Gorgeous!
Oh Marianne, you know I love me some color, but your posts always have me dreaming of a White Christmas. So well done. 🙂
xo Michael
Oh how I wish we could swop houses! I love everything you do!