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Norway

Tromsø

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KP Index

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Magnetic Latitude

66.8°

Minimum KP

KP 2+

Aurora in Tromsø

Tromso is known as the "Gateway to the Arctic" and is one of the best places in the world to see the Northern Lights. Located 350 km north of the Arctic Circle, Tromso experiences the polar night from November to January, providing extended hours of darkness ideal for aurora viewing. The city's relatively mild climate, thanks to the Gulf Stream, makes it a comfortable base for aurora hunters.

Best Viewing Season

The aurora season in Tromsø runs from September to March. The best months for viewing are typically September, October, November, when darkness hours are longest and geomagnetic activity tends to peak.

Best Viewing Spots Near Tromsø

Ersfjordbotn

Scenic fjord location with minimal light pollution, popular among photographers.

69.6603, 18.4631 20 km from center

Telegrafbukta Beach

Close to city center with clear northern horizon views.

69.6196, 18.9066 5 km from center

Sommaroy Island

Remote island with stunning 360-degree views of the sky.

69.6333, 18.0333 40 km from center

Nearby Destinations

Practical Information

The nearest airport is TOS. Tromsø is accessible by air from major European and North American hubs. Local transportation options include rental cars, buses, and organized tours. For aurora hunting, having your own vehicle provides the flexibility to chase clear skies.
The optimal viewing time is typically between 10 PM and 2 AM local time, though aurora can appear anytime during dark hours. Plan your visit during the new moon phase for the darkest skies. Monitor the KP index and weather forecasts closely - a KP of 2 or higher is needed for aurora visibility at this location.
Winter temperatures can drop to -20C (-4F) or lower, so dress in warm layers. Expect to spend time outdoors waiting for aurora activity. Cloud cover is the biggest challenge - clear skies are essential. The aurora can appear as a faint green glow or as dramatic dancing curtains of color depending on geomagnetic activity.

Frequently Asked Questions about Tromsø

The aurora season in Tromsø runs from 09/01 to 03/31. The peak months are typically December through February when nights are longest. September and March also offer excellent viewing during the equinoxes when geomagnetic activity increases.

At Tromsø's magnetic latitude of 66.8 degrees, you typically need a KP index of 2 or higher to see the Northern Lights. Higher KP values will produce brighter and more active displays. During geomagnetic storms (KP 5+), the aurora can be spectacular.

During peak aurora season (December-January), Tromsø experiences up to 18-20 hours of darkness or twilight suitable for aurora viewing. Even in September and March, you'll have 10-12 hours of darkness. The best viewing window is typically between 10 PM and 2 AM local time.
Solar Maximum 2025-2026

Real-time alerts for Tromsø

We're entering the most active period for northern lights in over a decade. Don't miss this rare opportunity.