Destinations
Best Viewing Locations
Timing
When to Go
Aurora viewing requires darkness — Iceland has none from May to July (midnight sun). The prime season runs September through March, when nights are long and KP activity is strongest.
Jan
90%
Excellent
Feb
90%
Excellent
Mar
80%
Very Good
Apr
45%
Fair
May
5%
Midnight Sun
Jun
0%
Midnight Sun
Jul
0%
Midnight Sun
Aug
10%
Very Low
Sep
70%
Good
Oct
85%
Very Good
Nov
90%
Excellent
Dec
90%
Excellent
Preparation
What You Need
🎒 Gear Checklist
- ✓Thermal base layer (merino wool preferred)
- ✓Insulated mid-layer fleece or down jacket
- ✓Waterproof outer shell — wind and rain
- ✓Thermal hat and balaclava for extreme cold
- ✓Insulated waterproof gloves or mittens
- ✓Wool socks + waterproof hiking boots
- ✓Hand and foot warmers for extended outings
- ✓Headlamp with red-light mode (preserves night vision)
- ✓Thermos with hot drink (coffee or tea)
- ✓Phone battery pack (cold drains batteries fast)
📷 Photography Tips
- →Use a wide-angle lens (14–24mm) for sweeping skies
- →Set ISO between 800–3200 depending on brightness
- →Aperture f/2.8 or wider to capture faint displays
- →Exposure: 2–20 seconds (shorter for active aurora)
- →Manual focus set to infinity for sharp stars
- →Use a remote shutter to avoid camera shake
- →Bring extra batteries — cold kills them quickly
- →Shoot RAW for maximum post-processing latitude
- →Include foreground elements: glaciers, waterfalls, farms
- →Apps: PhotoPills or Planit for planning compositions
Understanding Data
How to Read the Forecast
🌐
KP Index
The Planetary K-index (0–9) measures global geomagnetic activity. KP 3 is the minimum for aurora at Iceland's latitude. KP 5+ guarantees strong displays; KP 7+ means aurora visible at low latitudes.
KP 0–2No aurora
KP 3–4Faint curtains
KP 5–6Strong green bands
KP 7–9Explosive full-sky
🧲
Bz Component
The north–south component of the interplanetary magnetic field. When Bz turns strongly negative (southward), solar wind energy efficiently couples into Earth's magnetosphere, triggering auroras.
Bz > 0 nTNorthward — inactive
Bz −1 to −5 nTSlightly active
Bz −5 to −15 nTGood conditions
Bz < −15 nTStorm conditions
☁️
Cloud Cover
Cloud cover is the single biggest enemy of aurora viewing. Even a KP 8 storm is wasted under 100% cloud. A clear sky (0–20%) is essential. Patchy clouds can still allow viewing through breaks.
0–20%Clear — ideal
20–50%Partly cloudy
50–80%Mostly overcast
80–100%Overcast — poor
Safety
Safety Tips
🛣️
Check Road Conditions
Always check vegagerdin.is before driving. Iceland's weather changes rapidly and roads can close without warning, especially in winter.
🌊
Watch the Tides
If shooting on beaches like Reynisfjara, never turn your back to the ocean. Sneaker waves claim lives every year — stay well back from the waterline.
🧥
Dress in Layers
Hypothermia is a real risk when standing still outdoors for hours at -15°C. Dress warmer than you think you need to, and bring backup layers in your car.
⚠️
Never Stop on a Ringroad Blind
Pulling over on the Ring Road in darkness is dangerous. Use designated pull-offs or marked viewpoints only. Keep your hazard lights on if you must stop.
Book a Tour
Northern Lights Tours in Iceland
Browse and book guided aurora tours, glacier hikes, and sightseeing experiences directly below.
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Check tonight's live forecast or book a guided northern lights tour from Reykjavík.