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Ålesund · August 2027

Northern lights in Ålesund in August 2027

Answer

August gives Ålesund 5.8 hours of civil night on the 15th, the 9th darkest of its 12 months, under 83% mean cloud. 79% of August days since 1996 reached Kp 2, enough for the oval edge to reach Ålesund.
5.9 h
civil night, average night
SunCalc for 62.47, 6.15; NASA POWER; GFZ Kp

August against the rest of the year

August cloud at Ålesund averages 83% in NASA POWER's 2001 to 2020 record, close to its yearly mean of 83%. April is Ålesund's clearest month at 82%. By civil night times clear sky, August scores 1.0 hours at Ålesund, 9th of 12. Molde, 59 km away, averages the same 83%.

Civil night at Ålesund starts August at 3 h 51 min and reaches 7 h 43 min by August 31 as the nights lengthen by 3.9 hours. The 10 PM to 2 AM window is fully dark on 5 of 31 nights. The sun never reaches 18 degrees down, so Ålesund gets no astronomical night in August.

August night by night

August opens toward a new moon on Aug 2 and Aug 31, with full moon on Aug 17, in Europe/Oslo dates. Ålesund gets 89 hours of civil night with the moon below the horizon across the month. The best of them for moon-free darkness inside 10 PM to 2 AM: Aug 29 (4 h), Aug 30 (4 h), Aug 31 (4 h).

  1. 1

    0% lit

    3.9 h

  2. 2

    0% lit

    4.0 h

  3. 3

    3% lit

    4.2 h

  4. 4

    9% lit

    4.3 h

  5. 5

    17% lit

    4.5 h

  6. 6

    26% lit

    4.6 h

  7. 7

    37% lit

    4.7 h

  8. 8

    47% lit

    4.9 h

  9. 9

    57% lit

    5.0 h

  10. 10

    67% lit

    5.2 h

  11. 11

    76% lit

    5.3 h

  12. 12

    84% lit

    5.4 h

  13. 13

    90% lit

    3.7 h

  14. 14

    95% lit

    2.0 h

  15. 15

    98% lit

    0.4 h

  16. 16

    100% lit

    0.0 h

  17. 17

    100% lit

    0.0 h

  18. 18

    98% lit

    0.0 h

  19. 19

    94% lit

    0.0 h

  20. 20

    88% lit

    0.0 h

  21. 21

    81% lit

    0.0 h

  22. 22

    72% lit

    0.0 h

  23. 23

    63% lit

    0.0 h

  24. 24

    52% lit

    0.0 h

  25. 25

    41% lit

    0.0 h

  26. 26

    30% lit

    0.0 h

  27. 27

    20% lit

    1.8 h

  28. 28

    11% lit

    3.9 h

  29. 29

    5% lit

    6.0 h

  30. 30

    1% lit

    7.6 h

  31. 31

    0% lit

    7.7 h

Each cell is the night that starts on that date. Hours are civil-dark time with the moon below the horizon; the green rule scales with them. Green outline: new moon. Bone outline: full moon.

Activity in past Augusts

Ålesund needs Kp 2 for the average oval edge to sit overhead. 738 of the 930 August days from 1996 to 2025 (79%) reached it in the GFZ Potsdam record, 5th of 12 months; storm days with Kp 5 or more made up 11%. Ålesund sits at 62.8 degrees geomagnetic, inside SWPC's 60 to 75 degree band, where aurora can be seen on more than half of all nights. No storm is needed: by SWPC's rule the average oval edge is overhead at Kp 2.

August across Norway

Ålesund ranks 10th in Norway for civil night on August 15, behind Kristiansand at 6.9 hours. Coming from July (0.0 hours at Ålesund), August adds darkness, and the nights keep growing into September (9.4 hours on the 15th).

Civil night on August 15 and August cloud, month-page towns in Norway
TownCivil nightCloud
Kristiansand6.9 h72%
Stavanger6.8 h79%
Haugesund6.7 h79%
Drammen6.6 h71%
Oslo6.5 h71%
Bergen6.4 h80%
Hamar6.3 h70%
Gjøvik6.3 h70%
Lillehammer6.2 h74%
Ålesund5.8 h83%
Molde5.8 h83%
Kristiansund5.6 h81%

Darkness and moon, every night

Ålesund, August 2027: each night from local noon to the next noon
NightCivilAstronomicalMoon-free darkMoon-free, 10 PM to 2 AMMoon lit
Sun Aug 13 h 51 min0 min3 h 51 min2 h 13 min0%
Mon Aug 24 h0 min4 h2 h 18 min0%
Tue Aug 34 h 9 min0 min4 h 9 min2 h 23 min3%
Wed Aug 44 h 18 min0 min4 h 18 min2 h 27 min9%
Thu Aug 54 h 27 min0 min4 h 27 min2 h 32 min17%
Fri Aug 64 h 35 min0 min4 h 35 min2 h 36 min26%
Sat Aug 74 h 44 min0 min4 h 44 min2 h 40 min37%
Sun Aug 84 h 52 min0 min4 h 52 min2 h 45 min47%
Mon Aug 95 h0 min5 h2 h 49 min57%
Tue Aug 105 h 9 min0 min5 h 9 min2 h 53 min67%
Wed Aug 115 h 17 min0 min5 h 17 min2 h 57 min76%
Thu Aug 125 h 24 min0 min5 h 24 min3 h 1 min84%
Fri Aug 135 h 32 min0 min3 h 40 min1 h 14 min90%
Sat Aug 145 h 40 min0 min2 h0 min95%
Sun Aug 155 h 48 min0 min26 min0 min98%
Mon Aug 165 h 55 min0 min0 min0 min100%
Tue Aug 176 h 3 min0 min0 min0 min100%
Wed Aug 186 h 10 min0 min0 min0 min98%
Thu Aug 196 h 18 min0 min0 min0 min94%
Fri Aug 206 h 25 min0 min0 min0 min88%
Sat Aug 216 h 33 min0 min0 min0 min81%
Sun Aug 226 h 40 min0 min0 min0 min72%
Mon Aug 236 h 47 min0 min0 min0 min63%
Tue Aug 246 h 54 min0 min0 min0 min52%
Wed Aug 257 h 1 min0 min0 min0 min41%
Thu Aug 267 h 8 min0 min0 min0 min30%
Fri Aug 277 h 15 min0 min1 h 45 min1 h 45 min20%
Sat Aug 287 h 22 min0 min3 h 52 min3 h 48 min11%
Sun Aug 297 h 29 min0 min5 h 58 min4 h5%
Mon Aug 307 h 36 min1 h 1 min7 h 36 min4 h1%
Tue Aug 317 h 43 min1 h 36 min7 h 43 min4 h0%
Moon lit: SunCalc illuminated fraction at the middle of the 10 PM to 2 AM window.

Questions

Can you see the northern lights in Ålesund in August?
On dark, clear nights with enough activity. 31 of 31 nights at Ålesund have civil darkness, and 79% of past August days reached Kp 2.
How dark is Ålesund in August?
Ålesund averages 5.9 hours of civil night a night in August 2027, from 3 h 51 min on the 1st to 7 h 43 min on the last night.
How cloudy is Ålesund in August?
NASA POWER's 2001 to 2020 climatology gives Ålesund's 1 degree cell 83% mean cloud in August, against 83% for the whole year. It is an all-hours average, not a forecast.
What is the best night in August 2027 for aurora in Ålesund?
By darkness and moon alone, Aug 29, with 4 h of moon-free darkness inside 10 PM to 2 AM at Ålesund. Activity on that date will only be known hours ahead.
Is August or September better in Ålesund?
By civil night times the clear share, August scores 1.0 hours at Ålesund and September 1.7. September comes out ahead.

Sources and verification

Quoted figures last checked against their sources on 2026-09-30; next review 2026-12-31. Computed figures come from SunCalc and the IGRF-14 dipole as described in the methodology. Every quote is listed in the sources ledger.