Planning an Iceland trip and don't know where to start?
Six questions, in the order they matter: when, how long, who with, budget, car or tours, where to sleep. We point you to the answer for each one.
Iceland Weather – Temperatures, Seasons & What to Wear Year Round
Weather & Conditions
Rapidly changing weather and where to check
Not sure what today's numbers mean for your plans?
Use the What can I do today? check to turn the wind, rain and cold into a plain plan: what to wear, whether your pool, walk, waterfall or tour is still on, and if your tour is in danger. Plan today →
Driving today and worried about the wind?
Use the Can I drive today? check to turn the wind and road numbers into a plain Go, Caution or Wait verdict. Check today's drive →
Can You Trust a 10 Day Forecast for Iceland?
Honest answer from a resident: no. A 10 day forecast for Iceland is close to useless. The weather here is driven by fast moving Atlantic systems that reshape themselves in hours, so a forecast a week out is a guess, not a plan. Do not cancel a trip or lock in your days because an app shows rain in eight days. It will almost certainly change.
Here is how much to trust each window:
Today to 48 hours
Dependable. Plan drives and day trips around this window. Check it again the morning you go.
3 to 5 days
A rough shape only. Useful for a general sense of the week, not for fixing exact plans.
7 to 10 days
Treat as noise. The trend can flip completely. Do not make decisions on this.
What to do instead: pack for all conditions with layers and a windproof, waterproof shell, so every day works whatever the sky does. See what to pack and Iceland by month for the seasonal picture. Then read the 24 to 48 hour forecast on vedur.is to decide the order of your days once you land.
How Fast Does Iceland Weather Change?
Icelandic weather can change dramatically within hours. It's common to experience sunshine, rain, snow, and strong wind all in the same day. Wind is often more challenging than cold. Even mild temperatures can feel harsh in strong gusts. There's a local saying: "If you don't like the weather, wait five minutes."
For visitors used to predictable weather, this can feel unsettling at first. The key is to dress in layers and always carry a windproof outer shell, even on days that look clear. Conditions in the capital can be completely different from those just 30 minutes outside the city.
Always bring: Dress in layers and use windproof, waterproof outerwear. A warm hat and gloves make a big difference, even in autumn.
Is the Weather in Reykjavik the Same as the Rest of Iceland?
No, and this trips up a lot of visitors. Almost every temperature or forecast figure you read online is a Reykjavik number. The capital sits in the sheltered southwest, so it is usually the mildest, calmest corner of the country. The rest of the island is often harsher, not gentler.
The north, the east, the highlands, and the exposed south coast regularly get colder air, heavier snow, more ice, and stronger wind than the capital, along with road closures that Reykjavik rarely sees. A calm, dry morning in the city can mean a full storm warning two or three hours away. Reykjavik still gets its own brutal wind days, so nowhere is truly safe to assume, but the honest rule is simple: expect conditions outside the capital to be worse than the numbers suggest, never better.
How to Read an Icelandic Weather Warning
Most visitors are told to "check vedur.is", then land on a page of coloured regions and Icelandic place names and quietly close it. Here is the whole thing in plain words, so the next time you open it you know exactly what you are looking at.
What yellow, orange and red actually mean
The Icelandic Met Office issues warnings on three levels. The colour is about impact, meaning how much trouble this weather will cause people, not just how high the number is.
Yellow: Be aware.
Weather that is disruptive but not unusual for Iceland. Locals carry on. As a visitor with a small rental car, an exposed drive or a coastal walk, treat yellow as the level where you drop the ambitious plan and keep the easy one.
Orange: Be prepared. Change your plans.
Significant weather with a real chance of damage, closures and cancelled tours. This is not a visitor level. If your day involves driving out of town, move it. Locals reschedule on orange, and so should you.
Red: Take action. Do not travel.
Rare, and issued only for genuinely dangerous conditions. Roads close, flights stop, and rescue teams are already stretched. Stay indoors where you are. There is no photograph, tour or booking worth this one.
The part that catches people out: warnings are issued per forecast region, not for Iceland as a whole. The capital area can be calm and warning free while the south east sits under red. Several warnings can also be live for the same region at once, for different hazards, at different times of day. So the question is never "is there a warning in Iceland", it is "is there a warning for the region I am driving into today".
Every warning has a start and an end time
This is the detail almost every visitor misses. A warning is not a general mood for the day. It carries a validity window, for example 06:00 to 11:00, and that window is the whole point of it.
- Read the times, not just the colour. An orange warning that ends at 11:00 means the afternoon may be perfectly drivable. A yellow warning that starts at 18:00 means the drive back is the dangerous part, not the drive out.
- A warning can already be over. People screenshot a warning, panic, and cancel a good day. Check the end time before you write off the day.
- Warnings are added and upgraded through the day. A clear morning is not a promise. Check again before you set off, and again before you head back.
Times shown on vedur.is are Icelandic local time, which is the same as UTC all year. Iceland does not change the clocks.
Start reading it before your trip, not on the day
This is the single most useful thing on this page, and it costs you two minutes a day. If your trip is a month or two away, open vedur.is and road.is now, once a day, and look at the region you will be staying in.
You are not gathering information. That forecast is worthless for your actual dates. You are building the reading skill: what 18 m/s looks like on the map, how often warnings appear, how fast they change, what the region names mean, how road.is colours shift through a morning. By the time you land, the page is familiar instead of frightening, and you can make a calm decision in thirty seconds while standing in a car park with the wind picking up.
The two minute routine: open the warnings map , find your region, read the colour and the times. Then open road.is and look at your route. Do that daily before the trip and it becomes automatic during it.
Our Can I drive today? check reads these same official sources for you and turns them into Go, Caution or Not today. It is a translation, never a replacement. The Met Office and Vegagerðin are always the final word.
Arriving Soon? Take These With You.
Two field-tested checklists to help you pack right and land feeling steady.
Iceland Temperature by Season
Summer (June-August)
Mild temperatures around 10-15°C (50-59°F), with nearly 24 hours of daylight. Still pack layers and rain gear. Even on warm days, wind can make it feel cooler than expected.
Autumn (September-October)
Cooling to 2-10°C (36-50°F), with increased wind and rain. Days shorten noticeably. Northern Lights become visible from late September onward.
Winter (November-February)
Often around -1 to 4°C (30-39°F), though wind chill can make it feel significantly colder. Only 4-6 hours of daylight. This is peak Northern Lights season.
Spring (March-May)
Variable conditions, 0-8°C (32-46°F), with lingering winter weather into April. Daylight increases rapidly, reaching near-midnight sun by late May.
Iceland Weather Forecast — Where to Check
Always check conditions before heading out, especially if driving or hiking:
Questions visitors often ask
What should I wear in Iceland?
Dress in layers with windproof, waterproof outerwear. Conditions change quickly, so be prepared for rain, wind, and cold even in summer.
Is tap water safe to drink in Iceland?
Yes. Tap water in Iceland is safe to drink and of very high quality. Always use the cold tap. Hot water is geothermally heated and may smell like sulfur (boiled eggs). Cold water has no smell or taste and is perfectly clean. Bottled water is not necessary.
How cold does it get in Iceland?
Winter temperatures are often around 0 degrees Celsius. Wind chill can make it feel colder. Summer is mild, typically 10 to 15 degrees.
Can I see the Northern Lights in summer?
No. You need darkness, and Iceland's summer nights never get fully dark. Your best window is September through March.
Is wind a problem in Iceland?
It can be strong and sudden, especially in winter and open areas. Secure loose items and use caution when opening car doors. A good windproof jacket matters more than a warm one.
Winter is close
Two things worth checking every winter morning
In winter the two questions that decide your day are: is the road safe right now, and how much light do I actually get. Both are free, both work on your phone, and you can save them to your home screen.
The three checks, in this order
- 1. vedur.is for the weather and any warnings.
- 2. road.is for road status and closures.
- 3. Can I drive today? which reads both feeds for your exact spot and answers in one line: Go, Caution, or Not today.
Your next step
You understand the forecast now. The next move is turning that into what goes in your suitcase.
What to pack for these conditionsWindproof over warm, and the items people regret leaving at home.Once you are here, Local Notes carries the current week: conditions, closures, and what is open.