Northern lights in Vík in December
48%
of 4-night stays in December saw the northern lights at least once, by our estimate. On any one night the chance was 19%. December is a good month in Vík, though October (58%) was better.
How long to stay in December
Chance of at least one good night, by length of stay, Vík in December, 2015–2025.
In a typical December, the longest run of nights without a single clear, dark hour was 4 nights. A stay shorter than that can fall entirely into one cloudy spell.
Week by week in December (4-night stay)
- 2 Dec – 8 Dec45%
- 9 Dec – 15 Dec45%
- 16 Dec – 22 Dec47%
- 23 Dec – 29 Dec50%
December in Vík, year by year
Good nights in December, each year 2015–2025. The typical December had 5 good nights; the worst, 2019, had 1 and the best, 2022, had 13. 2023–2025, around the solar maximum, averaged 8 against 5 before.
A good night = at least one hour that was dark (sun below −12°), mostly clear (NASA POWER cloud data, calibrated on FMI weather stations) and had a Kp index at or above the Kp 2.8 that Vík needs (GFZ Potsdam). These are estimates, not sightings. How it works
Other destinations in December
Vík ranks 20th of 21 popular aurora destinations for December (4-night stays, 2015–2025).
Yellowknife
97%Churchill
92%Kilpisjärvi
80%Fairbanks
79%Alta
78%Lofoten
72%Aurora tours in Vík in December
A guide with a car can drive to wherever the clouds break. With cloudy spells of 4 nights in a typical December, that matters here. Booking for your first night leaves the rest of the stay to try again if it's cloudy.
Vík in December: questions
December is a good month in Vík, though October (58%) was better. In 2015–2025, 48% of 4-night stays in December saw the northern lights at least once, and an average December had 6 good nights (clear, dark and with auroras strong enough) out of 31. These are estimates from NASA cloud records and the Kp index, not sightings.
2 nights gave 31%, 4 nights gave 48%, 7 nights gave 68% odds of at least one good night in December (2015–2025). Even a week gave 68%, so treat the aurora as a bonus. In a typical December, the longest run of nights without a single clear, dark hour was 4 nights. A stay shorter than that can fall entirely into one cloudy spell.
About 15.0 hours a night with the sun more than 12° below the horizon, which is dark enough for faint auroras. Of those, 5.1 hours a night were mostly clear on average, and 18 nights in an average December had at least one clear, dark hour.
Auroras can appear any time it's dark, but activity usually peaks around midnight, roughly 22:00 to 02:00. With about 15.0 hours of darkness a night in December, start looking as soon as it's dark and stay out past midnight if you can. The live forecast shows tonight's best hour.