Northern lights in Anchorage in February
41%
of 4-night stays in February saw the northern lights at least once, by our estimate. On any one night the chance was 15%. February is the best month for the northern lights in Anchorage by these numbers.
How long to stay in February
Chance of at least one good night, by length of stay, Anchorage in February, 2015–2025.
In a typical February, the longest run of nights without a single clear, dark hour was 3 nights. A stay shorter than that can fall entirely into one cloudy spell.
Week by week in February (4-night stay)
- 29 Jan – 4 Feb36%
- 5 Feb – 11 Feb39%
- 12 Feb – 18 Feb39%
- 19 Feb – 25 Feb44%
- 26 Feb – 3 Mar41%
February in Anchorage, year by year
Good nights in February, each year 2015–2025. The typical February had 4 good nights; the worst, 2020, had 0 and the best, 2025, had 11. 2023–2025, around the solar maximum, averaged 6 against 4 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 3.6 that Anchorage needs (GFZ Potsdam). These are estimates, not sightings. How it works
Other destinations in February
Anchorage ranks 21st of 21 popular aurora destinations for February (4-night stays, 2015–2025).
Yellowknife
100%Churchill
99%Fairbanks
87%Kilpisjärvi
86%Abisko
84%Alta
84%Aurora tours in Anchorage in February
A guide with a car can drive to wherever the clouds break. With cloudy spells of 3 nights in a typical February, that matters here. Booking for your first night leaves the rest of the stay to try again if it's cloudy.
Anchorage in February: questions
February is the best month for the northern lights in Anchorage by these numbers. In 2015–2025, 41% of 4-night stays in February saw the northern lights at least once, and an average February had 4.3 good nights (clear, dark and with auroras strong enough) out of 28. These are estimates from NASA cloud records and the Kp index, not sightings.
2 nights gave 24%, 4 nights gave 41%, 7 nights gave 60% odds of at least one good night in February (2015–2025). Even a week gave 60%, so treat the aurora as a bonus. In a typical February, the longest run of nights without a single clear, dark hour was 3 nights. A stay shorter than that can fall entirely into one cloudy spell.
About 11.7 hours a night with the sun more than 12° below the horizon, which is dark enough for faint auroras. Of those, 5.2 hours a night were mostly clear on average, and 18 nights in an average February 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 11.7 hours of darkness a night in February, start looking as soon as it's dark and stay out past midnight if you can. The live forecast shows tonight's best hour.