When Should You Hang Christmas Lights in New Jersey?

In New Jersey, the best window to hang Christmas lights is usually early November to a few days before Thanksgiving, but leaves and freezes vary by year, so pick a dry, ice-free day. If you want a pro to do it, start asking in early fall, because installers tend to fill up once November arrives.

When is the best time to hang Christmas lights in New Jersey?

For most of Hunterdon and Somerset counties, the practical window runs from the first week of November to a few days before Thanksgiving. You can start earlier, but there is no reason to rush. Lights that go up in early October sit through weeks of wind, rain, and falling leaves before anyone turns them on.

Here is why that stretch of November works well:

• Leaves are mostly down. Hanging lights on trees and shrubs while they are still dropping leaves means you are working around debris, and wet leaves on the ground make ladder footing worse.
• Temperatures are still workable. Days in the 40s and 50s are comfortable to work in. By December the days are shorter and colder, and cords get stiff and harder to handle.
• You beat the holiday crunch. Thanksgiving weekend is when a lot of homeowners decide to do it all at once, which is also when hardware stores can run low on clips and extension cords.

If you want lights on for Thanksgiving night, aim to finish the week before. If you only care about December, a first-weekend-of-December install is still fine, but the weather is less forgiving.

How do cold weather and early-November conditions affect installation?

Cold does not stop a lighting job, but it changes how the work goes. Plastic clips and light strand insulation get brittle as temperatures approach freezing, so a clip that flexes in November can snap in late December. Cords that have been stored coiled for a year also resist straightening in the cold, and forcing them is how wires get nicked.

Wet conditions matter more than cold. A wet roofline, slick ladder rungs, and damp gutters are the real hazards. Falls are a common risk when hanging lights, and they are a bigger concern than the electrical side of the job. If the forecast shows rain or ice, move the job rather than push through.

A few other early-November checks are worth making before you hang anything:

• Test every strand on the ground first. It is much easier to swap a dead section in the driveway than on a second-story roofline.
• Confirm you have outdoor-rated cords and an outdoor outlet on a GFCI-protected circuit.
• Look at the trees and shrubs you plan to wrap. Branches that are dead or rubbing on the house should be dealt with before lights go on, not after.
• Walk the property at dusk and decide where the lights will actually be seen from the street.

When should you book a professional holiday lighting installer?

Plan to reach out in early fall, ideally September or October. Holiday lighting demand is concentrated in a short stretch, and search interest for installation peaks in November, which is when most people realize they would rather not spend a Saturday on a ladder. By then, good installers may have limited openings, especially for larger or multi-story homes.

We can’t speak for every installer’s calendar, so the most reliable step is to ask whoever you are considering what their install window looks like and when they need a commitment. That applies to us too. Holiday lighting is one of the services we offer through our landscaping work, and you can read more on our holiday lighting page.

Booking early also helps with design. If a site visit happens in October, you have time to talk about which rooflines, trees, and beds to light, and what to leave dark. Rushed November decisions tend to end up as whatever is fastest to hang.

What does a professional installation include, from design to takedown?

Scope varies between companies, so get it in writing. In general, a professional holiday lighting job has these stages:

1. Walkthrough and design. Someone looks at the roofline, trees, shrubs, entry, and any existing lighting, and agrees on what gets lit and how.
2. Measuring and planning power. Runs are measured so strands fit, and outlets, timers, and circuit loads are planned so nothing gets overloaded.
3. Installation. Lights are secured with clips or fasteners made for the surface, whether that is shingles, gutters, trim, or branches.
4. Testing and timer setup. Everything is checked after dark, and timers are set so the display turns on and off on its own.
5. Takedown. Lights come down after the season.

Not every company includes every step in one price, and some do not handle takedown or storage. Ask directly what is covered, what happens if a strand fails in December, and who removes the lights in January.

Should you hang lights yourself or hire a pro?

A single-story house with low shrubs and a simple outline is a reasonable DIY job. A few strands on a porch rail, a wreath, and some lit bushes can be done in an afternoon with a stable ladder and a helper.

It is worth calling a professional when:

• The roofline is two stories or more, or the pitch is steep.
• You want lights high in mature trees.
• You are lighting a commercial property or an HOA entrance, where scale and safety expectations are higher. We work with residential, commercial, and HOA customers.
• You do not want to spend a weekend on it, then another one taking it down.

The biggest DIY mistakes are using indoor-rated strands outside, overloading one outlet, and stapling through wire insulation. If any of that sounds familiar, slow down.

When should you take holiday lights down in NJ?

Plan on taking lights down in early to mid January, once the holidays are over and before the coldest, iciest stretch of winter. Taking lights down in a mild spell is much easier than prying frozen clips off gutters in a January cold snap.

Leaving lights up into late winter is not a disaster if they are outdoor-rated, but it does add wear. Snow and ice load on strands, wind whips loose clips, and the longer they stay up, the more likely you are to find damaged sections next November. If a storm is in the forecast and your lights are hung on thin shrubs or low branches, expect some of them to get pulled or buried under plowed snow.

When you take them down, wind strands loosely on a spool or reel rather than stuffing them in a bin, and label them by location. That makes next year’s install faster for you or for a pro.

Want help planning your lights?

If you would rather have someone else handle the ladder work, or you just want to talk through timing for your property, you are welcome to reach out through our contact page. We serve homeowners and properties across Hunterdon and Somerset counties, including Flemington and the surrounding townships.

Frequently asked questions