How to Put Lights in Mason Jars: A Step-by-Step Guide

Gregory Jul 01, 2026

Transform ordinary mason jars into charming, rustic lighting fixtures with this step-by-step guide. Not only are mason jars trendy and eco-friendly, but they also diffuse light beautifully, creating a warm, inviting ambiance. Let's dive into how to put lights in mason jars, perfect for both indoor and outdoor spaces.

mason jar filled with fairy lights and the text 15 mason jar fairy lights centerpiece ideas save for later
mason jar filled with fairy lights and the text 15 mason jar fairy lights centerpiece ideas save for later

Before you start, gather your materials: mason jars, LED lights (fairy lights, string lights, or LED bulbs), a drill, sandpaper, and optionally, paint or stain for a customized look. Safety first! Ensure your workspace is well-lit and clear of clutter, and always unplug electrical components before handling them.

Mason Jar Fairy Lights Assembly
Mason Jar Fairy Lights Assembly

Preparing Your Mason Jars

Mason jars come in various sizes, so choose one that suits your desired light fixture. For a simple, classic look, opt for clear jars. For a more decorative touch, consider colored or patterned jars, or paint them to match your space.

DIY Mason Jar Glow Lights
DIY Mason Jar Glow Lights

If painting or staining your jars, apply a thin, even coat, and allow it to dry completely. Lightly sand any rough edges to ensure a smooth finish and prevent injury.

Drilling Holes for Wiring

a hand is holding an empty bottle in a metal can with a white cap on it
a hand is holding an empty bottle in a metal can with a white cap on it

To accommodate the wiring, you'll need to drill a small hole in the lid of each mason jar. A drill bit size of 1/8" or 3mm works well for most LED lights. Position the drill carefully, and wear safety glasses to protect your eyes from debris.

Gently drill through the lid, applying steady pressure. If the lid is metal, you may need to use a metal drill bit and apply a bit of force. Once done, sand any rough edges to prevent injury.

Choosing the Right LED Lights

DIY Glowing Fairy Jars Easy Magical Craft Sparkling Nights
DIY Glowing Fairy Jars Easy Magical Craft Sparkling Nights

LED lights are energy-efficient and long-lasting, making them an excellent choice for mason jar lighting. Fairy lights, string lights, or individual LED bulbs can all be used, depending on the look you want to achieve.

For a whimsical touch, choose fairy lights or string lights with small, twinkling bulbs. For a more elegant look, opt for individual LED bulbs in warm white or colored glass. Ensure your chosen lights fit through the hole you've drilled and are long enough to reach the jar's opening.

Installing the LED Lights

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20 Quick Mason Jar Light Projects for a Sparkly Party Display

Now that your mason jars are prepared, it's time to install the LED lights. Begin by threading the wire through the hole in the lid, pulling it through until the bulb or light string is inside the jar.

If using fairy lights or string lights, wrap them around the inside of the jar, ensuring they're evenly distributed. If using individual LED bulbs, position them at the desired height and angle, then secure them in place with a small amount of hot glue or silicone sealant.

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Securing the Wiring

Once your lights are positioned, secure the wiring to the inside of the lid using electrical tape or hot glue. This prevents the wire from moving around and ensures a secure connection. Be sure not to cover any ventilation holes in the lid to prevent overheating.

If you're using multiple mason jars, you can connect the lights using a wire connector or simply stringing them together. Ensure all connections are secure and hidden from view for a clean, polished look.

Finishing Touches

With your lights securely installed, it's time to add the final touches. Screw on the lid, and your mason jar light fixture is complete! For a decorative touch, you can wrap the lid with twine, ribbon, or lace, or paint it to match your jar.

If you're using your mason jar lights outdoors, consider adding a handle or hanging loop to make them easy to hang or move around. You can also create a DIY solar light by adding a small solar panel and battery pack to power your lights during the day.

Now that you've learned how to put lights in mason jars, it's time to get creative! Experiment with different jar sizes, colors, and lighting styles to create unique, personalized lighting fixtures for your home or garden. Happy crafting, and enjoy your beautiful, handmade mason jar lights!