If you’ve ever bought lights too early and then seen them half off a week later, you know how confusing the timing can be. The “best” week to buy really depends on what you’re trying to do: light your house this year with full selection, or stock up for next year at rock-bottom prices.
The sweet spot for most people is:
- Right after Thanksgiving for in-season lights with good sales and full shelves
- Around the third week of December for deep clearance if you’re okay buying ahead for next year
When you want lights for this year’s decorating
Big retailers roll out their best promotional sales on lights from Black Friday through the first half of December. That’s when you’ll see things like:
- 20–40% off entire brands
- Buy-one-get-one deals
- Special pricing on multi-packs
You’re trading a little extra cost for the freedom to choose the style, color, and length you actually want. By the second half of December, selection drops fast—especially on popular options like warm white LEDs and icicle strands—because stores start marking down whatever’s left.
If your goal is to get your house lit now and you’re picky about how it looks, the best week is usually the week right after Thanksgiving through early December.
When you’re shopping clearance for next year

If you’re mainly trying to save money and don’t mind storing lights for a year, the pattern looks different. Deal trackers have watched big chains like Lowe’s for years and found a consistent schedule:
- About 50% off select pre-lit trees and lights in the second week of December
- Up to 75% off around December 19 and the days right before Christmas, depending on inventory
Shoppers report similar timing at some Home Depot locations and other stores, with Reddit threads full of people comparing which day their local store dropped to 75% off.
That third week of December is when you can get strings of lights for the price of a fast-food meal—if you’re okay with limited selection.
The trade-offs you’re making
Here’s the basic deal:
- Early season (late November–early December)
- Pros: full shelves, every style available
- Cons: smaller discounts, more competition for your budget
- Mid- to late December (around the 19th and after)
- Pros: deep markdowns—often 75% off on trees, lights, and yard decor
- Cons: picked-over inventory, weird lengths/colors, and you’re mostly buying for next year
You can absolutely miss out if you wait too long, but if you’re flexible, it’s the best way to build up a light stash on the cheap.
How to time it for your own house
If you’re starting from scratch or your lights are truly done for, don’t gamble everything on clearance. Instead:
- Buy what you need right now during early-season sales so your house isn’t dark.
- Make a short list of “nice to have” additions—extra nets, more icicles, yard pieces.
- Check your local store around mid-December for markdowns on those extras.
That way you’re not decorating with stress hanging over your head, but you still get to take advantage of deals when they show up.
A quick note on incandescent vs. LED

Clearance is tempting, but be mindful of what you’re buying. Older incandescent lights use far more electricity than LEDs and can cost more to run over the season. Guides have shown that big incandescent displays can cost five to ten times more in electricity than similar LED setups.
If you’re grabbing clearance lights, try to prioritize:
- LED strands labeled clearly on the box
- Classic colors and shapes you know you’ll use
- Brands you’ve had good luck with in the past
Cheap lights aren’t a bargain if half of them don’t work next year.
The bottom line
There’s no single magic day, but there are clear windows that work better depending on your goal:
- Need lights this year and care about choices? Aim for the week after Thanksgiving into early December.
- Want the absolute lowest prices and don’t mind planning ahead? Watch for around December 19 at places like Lowe’s and similar stores.
Once you know that, you can stop guessing and start shopping on purpose—without kicking yourself three days later when the big red clearance signs show up.
*This article was developed with AI-powered tools and has been carefully reviewed by our editors.
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