Live aurora forecast

Northern lights in Nuuk tonight

Southwest Greenland · 71° magnetic latitude · Kp 1 threshold

Aurora visibility · Nuuk
1/9
Possible tonight

Kp 1 is at the threshold for Nuuk. Aurora may be visible from a dark site if cloud cover permits.

QuietStormExtreme
Threshold
Kp 1
Magnetic latitude
~71°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 3 Jul, 15:30 UTC

7-day outlook for Nuuk

Today
3 Jul
1
Possible
Tomorrow
4 Jul
3
Good chance
Sun
5 Jul
3
Good chance
Mon
6 Jul
3
Good chance
Tue
7 Jul
3
Good chance
Wed
8 Jul
3
Good chance
Thu
9 Jul
3
Good chance

Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.

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What Kp is needed here?

Nuuk sits at a magnetic latitude of approximately 71°N. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - needs to reach Kp 1 before the auroral oval expands far enough south to be visible from here.

At Kp 1, visibility is possible from Nuuk but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.

Plan your viewing

Best dark sky sites near Nuuk

Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.

Lille Malene mountain

Get directions ↗
Bortle Class 2 - Excellent dark sky 5 km from city centre - approximately 90 minute hike (or 30 minute drive plus 45 minute hike)

A 790 m peak directly above Nuuk with a marked hiking trail from the road. The summit gives a panoramic view over the Nuup Kangerlua fjord system with no obstructions. At night the fjord glows with bioluminescence and aurora reflects in the dark water below. The route starts from the road west of the city. Snow-covered for much of the aurora season - crampons and poles recommended from October. The fjord walls and icecap in the distance make this Nuuk's best elevated dark sky position.

Nuup Kangerlua fjord boat trips

Get directions ↗
Bortle Class 1 - Exceptional dark sky 20 km south of the city - accessible by boat only, 30–45 minute crossing

Moving even 10 km into the fjord system takes you away from all city light. The fjord stretches 160 km into the icecap. Icebergs calve from glaciers at the inner fjord. At night in complete darkness the sky is Bortle Class 1 with no horizon obstruction. Several Nuuk operators run winter evening boat trips into the fjord for aurora watching. This is the most extraordinary aurora setting accessible from Nuuk - dark water, floating ice, icecap walls.

Qinngua valley

Get directions ↗
Bortle Class 2 - Excellent dark sky 50 km south of Nuuk - accessible by boat or helicopter

The world's most northerly natural forest - a sheltered valley of birch and willow at 63°N - sits surprisingly close to Nuuk. The valley is dark, sheltered from wind, and faces open fjord to the north. Accessible in summer on foot; in winter a boat is required. A Nuuk operator can arrange charter boats to the valley mouth. Less known than the fjord aurora boat trips but gives a completely different foreground - sub-Arctic forest rather than open water.

When to go

Best time to see the northern lights in Nuuk

At 71°N magnetic latitude, Nuuk has one of the longest aurora seasons in the world. Meaningful darkness returns in late August and displays are possible on almost any clear night from September through March. Only the endless daylight of May, June, and July rules out viewing completely.

Activity peaks around the September and March equinoxes, when Earth's magnetic field geometry is most favourable for coupling with the solar wind. Events during these two windows tend to produce the strongest displays of the year for observers at Nuuk's latitude.

May through July is effectively impossible for aurora viewing: the midnight sun keeps the sky bright around the clock at this latitude. No storm level, not even G5, can produce a visible display without astronomical darkness.

Up to 8 locations

Nuuk

Greenland

Possible
Kp 1 need Kp 1
Checking darkness…
Ilulissat

Greenland

Possible
Kp 1 need Kp 1
Checking darkness…
Kangerlussuaq

Greenland

Possible
Kp 1 need Kp 1
Checking darkness…
The odds

How often does the aurora appear in Nuuk?

Average nights per month the Kp reached Nuuk's threshold of 1+, from 15 years of geomagnetic data (2010–2024).

24.8Jan
27.3Feb
33.1Mar
10.3Apr
0May
0Jun
0Jul
0Aug
31.4Sep
31.1Oct
25Nov
22.6Dec

Counts the Kp 1+ threshold only - cloud cover and local darkness are not included.
Kp data: GFZ German Research Centre for Geosciences, CC BY 4.0

Make it happen

Plan your trip to Nuuk

Based on 15 years of geomagnetic data (2010–2024)

1st
March
33.1
avg aurora nights
Requires an extended stay
2nd
September
31.4
avg aurora nights
Requires an extended stay
3rd
October
31.1
avg aurora nights
Requires an extended stay

Best window

The September to November window averages 88 aurora nights - the strongest consecutive stretch of the year.

How long to stay

Aurora at this latitude requires patience - allow as many nights as possible during March.

From the community

Aurora photographs from Nuuk

Real photos sourced from Wikimedia Commons.

Aurora over NuukAurora over Nuuk
Aurora over NuukAurora over Nuuk
Aurora over NuukAurora over Nuuk
Aurora over NuukAurora over Nuuk
Aurora over NuukAurora over Nuuk
Aurora over NuukAurora over Nuuk
Questions

Common questions about aurora in Nuuk

Can you see aurora from Nuuk?
Yes. Nuuk sits at 71°N magnetic latitude, inside the auroral oval. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm) - needs to reach just Kp 1 for aurora to be possible here. On a clear night with Kp 1 or above, aurora is visible from elevated positions above the city or from the fjord. The main obstacle is cloud cover, not latitude. Nuuk averages around 170 cloudy days per year, so clear nights require patience or flexibility.
What Kp is needed in Nuuk?
Kp 1. At 71°N magnetic latitude, Nuuk is well within the auroral oval. Quiet geomagnetic conditions are sufficient to produce visible aurora from a dark sky position. The Lille Malene summit or a fjord boat trip are the best positions - moving away from the city's modest light dome makes a considerable difference. During Kp 3 or above, aurora is often visible even from within the city on a clear night.
Are iceberg and aurora combinations possible from Nuuk?
Yes, and this is Nuuk's strongest aurora selling point. The Nuup Kangerlua fjord system carries icebergs calved from glaciers deep in the icecap. Evening boat trips run during winter specifically for aurora watching above floating ice. The combination of Bortle Class 1 darkness, icebergs as foreground, and the aurora overhead is available from the fjord. No other aurora destination of comparable accessibility offers this specific combination.
What are the best aurora tour operators in Nuuk?
Several Nuuk-based operators run dedicated aurora boat trips and guided hiking tours to dark sky positions. World of Greenland and Guide to Greenland both list aurora-specific winter activities from Nuuk. Boat trips into the fjord are the most sought-after option - book these in advance as boats are small and fill quickly. The Lille Malene hike can be done independently in good conditions; guided versions are available for winter ascents when crampons are needed.
How does Nuuk compare to Ilulissat for aurora?
Ilulissat has the edge for most dedicated aurora trips. It sits 5° further north (72°N vs 71°N magnetic latitude), the Icefjord UNESCO site gives a more dramatic iceberg foreground, and the town is smaller and easier to navigate for aurora watching. Nuuk has better overall infrastructure, more flight connections, and the Qinngua valley offers a different kind of foreground. If your trip is primarily aurora-focused, fly to Ilulissat. If you want more of Greenland's capital alongside aurora, Nuuk works well.
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