Winter in Iceland is cold and dark (with only 4-7 hours of daylight), but beautiful—think snow-dusted lava fields, frozen waterfalls, and the glow of the northern lights above you. But to enjoy it all, you'll need to dress smartly. The key is layering: warm, weatherproof gear that keeps you dry, cozy, and ready for whatever fun outdoor activity you have planned. From glacier hikes to snowmobiling, here's how to stay comfortable while embracing chilly adventures in Iceland.

Icelandic weather is famously unpredictable, and the best way to stay comfortable outdoors in winter is to dress in layers that you can easily add or remove. Think in threes: a base layer to stay dry, a mid layer to keep warm, and an outer layer to protect from the elements. In general, layer a moisture-wicking thermal base layer of wool, an insulating mid-layer of fleece or wool, and top it off with a waterproof and windproof outer layer. Insulated boots with good traction are a must, along with a hat, scarf, and gloves. You'll want to avoid cotton and denim (they retain moisture and can become cold and heavy).   

When in doubt, pack one more layer than you think you'll need—it's always easier to shed warmth than to chase it.

Winter Clothing Layers

Base layer (1st layer)

Start with a thermal base layer of long underwear and wool socks made from merino wool (the best option and a good one for sensitive skin types) or, at the very least, synthetic material, to wick sweat away from your skin—avoid cotton, which traps moisture.

Mid-layer (2nd layer)

To lock in warmth, add a fleece, wool sweater, or even a lightweight down jacket over your base layer for insulation. You might even want a second pair of woolen socks.

Outer Layer (3rd layer)

Next, put on a thick, insulated, and waterproof/windproof shell or parka, ideally one with a hood to block rain and snow, and a pair of thermal-lined pants, preferably windproof, over your base layer.

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Essential Accessories

Footwear: sturdy, waterproof hiking boots with ankle support and good grip are crucial for icy conditions.

Socks: bring multiple pairs of wool socks to keep your feet warm and dry. Wool wicks away moisture better than cotton.

Headwear: a warm, waterproof hat is necessary to prevent heat loss.  

Handwear: pack waterproof and insulated gloves or mittens.  

Extras: a scarf (or buff, neck gaiter, or balaclava) to protect your face, and sunglasses are also recommended.  

What to Avoid  

Cotton: cotton clothing and denim jeans are poor choices because they absorb and retain moisture, making you cold, heavy, and uncomfortable.

Umbrellas: umbrellas are useless in Iceland's strong winds, so a waterproof jacket with a hood is a much better alternative.

 

For more ideas on what to bring with you to the land of fire and ice at any time of year, read our Iceland Packing List.