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Tromsø · December

Tromsø in December: twilight days, long aurora nights and full whale season.

December is Tromsø's polar night month: the sun stays below the horizon all month, but civil twilight paints the sky blue and pink for four to five hours around midday. It is also peak whale season and the busiest tour month, with Christmas and New Year prices to match.

Reviewed
2026-09-26
Sources checked
2026-09-26
Published by
Premier Nordics
Snow-covered residential street in Tromsø at dusk during the short winter day
Key numbers

The facts that decide this trip

Sun
Below the horizon all month; polar night runs from about 27 November to 15 January
Usable light
Civil twilight about 08:50 to 14:20 on 1 December and 09:25 to 13:55 on 15 December
Temperature
Monthly mean −1.7 °C; average high 0.3 °C, average low −3.9 °C (1991–2020)
Precipitation
About 110 mm over roughly 16 days, falling as snow, sleet or rain
Whales
Peak season at Skjervøy; full-day tours of 8 to 12 hours from Tromsø
Prices
Highest of the winter between Christmas and New Year; early December is cheaper

What a December day in Tromsø actually looks like

The sky begins to lighten around 09:00, reaches a deep blue and orange twilight over the mountains at midday, and fades to dark by 15:00. Streets, shops and the harbour are lit all day, which makes the city feel active rather than gloomy. Photographers get two hours of blue-hour light without a sunrise.

Temperatures hover around freezing at sea level, so the same week can bring dry snow, wet sleet and rain. Waterproof outer layers matter more than extreme insulation in the city; the cold comes on the boats and on aurora stops inland.

Whales and aurora in the same week

The whale grounds off Skjervøy are two and a half to three hours from Tromsø by boat or bus, so a whale tour is a full day that ends around 17:00 to 19:00. Do not book a chase the same evening; the retry logic of the guarantee needs a fresh night. A workable three-night plan is: arrive, chase on night two, whales on day three with a quiet evening, and a spare evening on night four if you have it.

  • Whale boats leave early; sleep in the centre the night before.
  • Choose the RIB only if you are fit, warm and do not get seasick; the larger boats are the family choice.
  • Book whales before flights in December; capacity is the limit, not the whales.
Where to stay

Where to stay in Tromsø in December

December evenings are tours and dinners, so a central hotel a few minutes from the harbour saves the most time; the value hotels uphill keep the same pickups.

Affiliate disclosure: the Stay22 comparison link is commercial. If you book through it, we may earn a commission at no extra cost. Providers control prices, payment, changes and refunds; the picks stay editorial.

  • HarbourScandic IshavshotelBeside the quay for early whale departures and the coastal ships; sea-facing rooms look across to the Arctic Cathedral.
  • Centre valueThon Hotel PolarLarge breakfast from early morning, which matters on whale days, and a short walk to every pickup.
  • HarbourRadisson Blu Hotel TromsøA common named pickup point with a sauna for the evening after a cold boat day.
Stay22 · live value comparisonFind best-value stays around TromsøCompare live totals, map position and cancellation terms for the exact dates.
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Christmas and New Year: worth it or avoid?

Between 23 December and 2 January hotels charge the highest rates of the winter, restaurants need reservations and some tours pause on 24 and 25 December. The city is decorated and the New Year fireworks over the harbour are a genuine reason to be there. If the festive dates are not essential, the first two weeks of December give the same polar night with easier bookings and lower totals.

Packing for a coastal polar night

Pack for wet cold rather than dry cold: a waterproof shell, wool base layers, insulated boots with grip and thin gloves under mittens. Spikes for icy pavements are cheap in local shops. Tour operators lend thermal suits for chases and boats, so the city outfit does not need to survive −15 °C.

Experiences

Reviewed December tours from Tromsø

A guided aurora safari with photos, the hybrid-electric whale-watching boat and a reindeer sledding visit with a Sami guide, all checked on the public product pages on 26 September 2026.

Affiliate disclosure: GetYourGuide and Viator links are commercial. If you book through them, we may earn a commission at no extra cost. Providers control prices, operator terms, changes and refunds.

GetYourGuideTromsø aurora safari with photosA guided evening northern-lights safari from Tromsø with photos included; confirm pickup point, thermal suits, duration and the retry terms.
Check on GetYourGuide
GetYourGuideTromsø whale watching by hybrid-electric boatA full-day whale-watching sailing from Tromsø toward Skjervøy in season; confirm departure time, season dates, food on board and the weather policy.
Check on GetYourGuide
GetYourGuideTromsø reindeer sledding with a Sami guideA reindeer camp visit with sledding, feeding and Sami storytelling; confirm transfer, meal and how long the outdoor part lasts.
Check on GetYourGuide
Practical questions

Questions travelers ask before booking

Answers use the sources listed below. Re-check live hours, weather and operator terms close to the travel date.

Is it dark all day in Tromsø in December?

No. The sun does not rise, but civil twilight gives four to five hours of blue daylight around midday. It is dark before 15:00 and after that the city runs on street light.

Is December a good month for northern lights in Tromsø?

It has the longest dark hours of the year, which helps, but also around 16 precipitation days, which hurts. Plan two evenings and use a chase tour that can drive to clearer sky.

Do tours run on Christmas Eve and Christmas Day?

Some do and some pause; the listing shows available dates. Restaurants and shops close early on 24 December, so book dinner or choose a hotel with an included evening meal.

How cold is Tromsø in December compared with Rovaniemi?

Much milder at sea level: a December mean of −1.7 °C in Tromsø against roughly −9 °C in Rovaniemi. The trade-off is more cloud and wet snow on the Norwegian coast.

Sources

Where the numbers come from

Checked 2026-09-26. These sources support hours, distances, transport and climate facts; they do not guarantee prices, availability or operator terms.

Keep planning

Related Tromsø guides and pages

Aurora tours

Northern lights tours in Tromsø: which format to book and what the guarantee means.

How Tromsø aurora tours work: minibus chases, big-bus trips and boat evenings, what a guarantee really means, and which nights to book first.

Read the guide
Whale season

Whale watching in Tromsø: a full day to Skjervøy in the November to January window.

Whale watching from Tromsø: the November to January season, the long transfer to Skjervøy, RIB versus large boat, what a day costs in time, and how to fit it with aurora.

Read the guide
January

Tromsø in January: the sun comes back mid-month and prices drop after New Year.

Tromsø in January: polar night ends about 15 January, whale season usually runs to the end of the month, −3 °C averages, snow, and cheaper weeks after New Year.

Read the guide