What to Wear in Reykjavik in December

The Three-Layer System

Master the three-layer system and you can handle anything Reykjavik's weather throws at you. Start with a high-quality base layer made of merino wool or synthetic fibers to wick moisture away from your skin. Avoid cotton, as it dries slowly and leaves you feeling colder. For your mid-layer, choose a fleece or a wool sweater for insulation – fleece is breathable and lightweight, while wool suits less active outings. Cap it all off with a windproof and waterproof shell jacket, like a knee-length puffer or parka, to shield you from icy gusts.

Must-Have Accessories

Accessories are non-negotiable in December. Pack a warm hat that covers your ears, a balaclava or neck gaiter for icy winds, and insulated mittens rather than finger gloves for extra warmth. Consider bringing thin liner gloves too, so you can still use your phone or camera without exposing your skin. Wool socks are essential – think thick thermal socks, and always carry a spare dry pair in your daypack. Don't forget lip balm and moisturizer; the cold and wind are harsh on your skin.

Footwear for Icy Sidewalks

Sturdy, waterproof boots are a must for navigating Reykjavik's snowy and icy terrain in December. Look for boots with good grip and insulation, as you'll be walking on surfaces that can be treacherously slick. For extra safety on icy sidewalks, pack compact ice cleats (often called microspikes) that fit over your boots. They're easy to put on and can prevent a nasty slip when visibility is poor. Remember, even if the streets look clear, patches of black ice can form without warning.

What to Wear for Festive Events

December in Reykjavik brings holiday concerts and festive dinners, and you don't have to sacrifice warmth for elegance. Wearing a thermal base layer under a smart wool sweater, paired with dark, water-resistant trousers or leggings, keeps you stylish and warm. A long parka or down coat over your outfit adds a polished layer for the walk to the venue, and you can easily remove it indoors. For extra warmth without bulk, try fleece-lined leggings under your trousers if you plan to be outside for longer stretches.

What Not to Bring

Leave your umbrella at home – it's pointless against the wind. Likewise, avoid packing any cotton base layers, denim, or regular sneakers. Denim absorbs moisture and doesn't dry quickly, making it a poor choice for wet, snowy days. Instead, pack quick-drying fabrics and water-resistant or waterproof footwear. You may see locals in jeans on dry days, but for sightseeing in winter, you'll be far more comfortable in fleece-lined or insulated pants.

A Sample 4-Day Packing List

For a 4-day December trip to Reykjavik, here's a compact packing list to get you started: 2 sets of thermal base layers (top and leggings), a wool or fleece mid-layer, a water-resistant softshell jacket, and a thick fleece or wool sweater for evenings. Pack two pairs of warm trousers – one insulated and one water-resistant – plus 4 pairs of thermal socks and 2 wool sweaters for rotating. Don't forget a warm hat, scarf, mittens or gloves with liners, and sturdy waterproof boots with ice cleats. This mix covers you from city strolls to festive dinners and even a Northern Lights hunt.

Before You Go: Check the Forecast

Before you leave, check the forecast for Reykjavik to prepare for any weather shifts. The official Icelandic weather service, Vedur, provides accurate and up-to-date forecasts, which is your best resource for snow, wind, and temperature. Also, monitor road conditions at Road.is if you plan to drive. Packing for December requires flexibility – conditions can change quickly, so having your layers easily accessible allows you to adapt as needed.

Final Checklist Recap

Packing for Reykjavik in December is all about staying dry and warm, and layering is your best strategy. Prioritize moisture-wicking base layers, warm mid-layers, and a waterproof shell. Choose sturdy boots with good traction, and carry compact ice cleats for icy sidewalks. Accessories like a warm hat, neck gaiter, and insulated mittens are non-negotiable.

For festive events, smart thermal underlayers and a stylish parka keep you comfortable without skimping on style. Avoid cotton and denim for outdoor wear, and always pack a spare pair of socks. Before you leave, check the latest forecasts to fine-tune your packing and ensure you're ready for whatever the weather brings.

For a comprehensive guide to packing for any season in Iceland's capital, see our full Reykjavik packing list. And if you're planning further ahead, you might also check what to wear in Reykjavik in January or February to adapt your layers as winter progresses.