Iceland runs on 230 volts through European type C and F sockets. Your phone, laptop, and camera chargers will be fine with a two-dollar plug adapter. Your hair dryer will not. This guide covers the one adapter you actually need, the appliances that burn out every week in Icelandic hotel rooms, and an honest packing list for each season.
Iceland uses the same sockets as most of continental Europe: type C (the two-pin Europlug) and type F (the same pins, with grounding clips). Both take two round pins. If you own a "Europe adapter" from a trip to France, Germany, or Spain, it works in Iceland.
The power itself is 230 volts at 50Hz. The US grid runs 120 volts at 60Hz. That difference matters for a small number of devices and not at all for most of them. Sorting one group from the other is the whole job, and it takes about two minutes.
There is no special "Iceland adapter." Any US-to-Europe plug adapter works. They cost about $2 each online. Buy two or three — they are small, easy to lose, and famously get left behind in hotel walls.
Pick up your phone charger and read the small print on the brick. It says something like Input: 100–240V ~ 50/60Hz. That means dual voltage. The charger handles Iceland's 230V by itself. The plug adapter changes the shape of the pins and nothing else.
Nearly everything that charges over USB is dual voltage: phones, laptops, tablets, camera battery chargers, e-readers, headphones, electric toothbrushes. Check each brick once before you fly. If it reads 100–240V, it is fine. Modern electronics almost always do.
The classic American failure: heat tools. Most US hair dryers, curling irons, and straighteners are single voltage — 120V only. Plug one in through an adapter and its heating element gets nearly double the voltage it was built for. It runs scorching hot for a few seconds, then burns out, trips the breaker, or both. The adapter does not protect it — adapters change pin shape, not voltage. Leave heat tools at home. Hotels and most guesthouses have hair dryers, and dual-voltage travel versions exist if you need your own.
One more thing to skip: the voltage converter. A converter is a transformer that steps 230V down to 120V, and in theory it solves the heat-tool problem. In practice it weighs a pound or more, costs about as much as a dual-voltage dryer, and cheap ones cannot sustain the 1,500-plus watts a hair dryer draws. It is not worth a corner of your bag.
The cleanest arrangement is one USB-C multiport charger, one plug adapter, and your cables. A 65W GaN charger with two or three ports handles a phone, a laptop, and a camera battery at the same time. One thing goes in the wall. Everything you own charges from it.
Rental cars in Iceland have USB ports, so your phone charges while it navigates. On Ring Road days with three hours between towns, that is your backup power plan. Your phone plan itself is a separate question — that one is covered in using your US phone in Iceland.
Iceland's weather does not follow the calendar closely. A July afternoon can be 48°F with sideways rain. A clear March day can feel mild. So the honest list changes less by season than you might expect — mostly in weight, not in kind.
| Item | Jun–Aug | Sep–Oct & Apr–May | Nov–Mar |
|---|---|---|---|
| Base layers (merino or synthetic) | One light set | One or two sets | Two midweight sets |
| Fleece or insulated mid layer | Yes — evenings are cold | Yes | Yes, the warm one |
| Waterproof shell jacket (and pants for hikes) | Yes | Yes | Yes |
| Waterproof shoes or boots | Waterproof hiking shoes | Waterproof boots | Insulated waterproof boots |
| Swimsuit | Yes | Yes | Yes |
| Hat and gloves | A light pair, for wind | Yes | Warm pair, plus spare gloves |
| Microspikes | No | Late Oct and April: maybe | Yes — sidewalks and waterfall paths |
| Eye mask | Yes — midnight sun | Not needed | Not needed |
| Sunglasses | Yes | Yes | Yes — low sun while driving |
Microspikes deserve a note. From November through March, sidewalks in Reykjavík and the paths to the big waterfalls turn to sheet ice. Gullfoss and Skógafoss viewpoints in January are skating rinks with a view. A $15–25 pair of microspikes from Amazon weighs a few ounces and makes those walks boring in the best way. Renting a pair in Iceland costs about as much as owning one. If you are taking a car in that season, read driving Iceland in winter before you book it.
Layers, always. Base layer, fleece, waterproof shell. This system works in every month because you add and remove pieces as the day changes — and the day will change. One big parka is less useful than three thin layers.
Swimsuit, always. Nearly every town has a geothermal pool, and the lagoons run year-round. Soaking outdoors in a snowstorm is a reason people come back. If the Blue Lagoon is on your list, check whether the Blue Lagoon is open before you lock in the date.
Hat and gloves, even in July. The wind is the real weather in Iceland. A bare-handed hour at a windy overlook in summer is genuinely cold.
No umbrella. The wind again. Iceland's wind destroying tourists' umbrellas is a running national joke. Locals do not carry them. Your shell jacket's hood is the umbrella.
Jeans in town, not on trails. Jeans are fine for Reykjavík. Wet denim on a hike is heavy, cold, and slow to dry. Hiking pants or leggings under the shell pants do better.
Sunglasses in winter. The winter sun sits low on the horizon all day and lands straight in your eyes on the road. This is a driving-safety item, not a style item.
The umbrella. Covered above. It will not survive the week.
Single-voltage heat tools. Also covered above. They are the most commonly destroyed item American travelers bring.
Formal clothes. Reykjavík's nicest restaurants are fine with clean casual. Dark jeans and a sweater cover every evening you will have.
Too much of everything. Laundry exists — many guesthouses and apartments have machines, and Reykjavík has laundromats. Packing for five days and washing once beats hauling ten days of clothes around the Ring Road. And if you do forget something, Iceland sells it; it just costs more, as the Iceland prices guide makes clear. Better to forget a fleece than to check a second bag.
A standard US-to-Europe adapter for type C/F sockets — the same two-round-pin adapter that works in France or Germany. They cost about $2. You do not need a "universal" adapter or anything Iceland-specific. Bring two, since they are easy to leave behind.
Almost certainly not. Most US hair dryers are 120V-only, and Iceland's 230V will burn out the heating element or trip the breaker even through an adapter. Check the label: if it says 100–240V or has a voltage switch, it will work. Otherwise leave it home — hotels and most guesthouses provide dryers.
No. Phones, laptops, tablets, and camera chargers are dual voltage and need only the plug adapter. Converters are heavy, and the ones light enough to pack cannot handle high-wattage heat tools anyway. Almost no traveler benefits from one.
Yes. Every modern phone charger accepts 100–240V, so the $2 plug adapter is all it needs. Rental cars also have USB ports, which keeps the phone topped up on long driving days.
Yes. Iceland's pools and lagoons are open year-round, and winter is arguably the best time — warm water, cold air, sometimes northern lights overhead. A swimsuit weighs nothing. It is the single most regretted omission.