Can you see the northern lights in Tønder in November?

On dark, clear nights with enough activity. 30 of 30 nights at Tønder have civil darkness, and 4% of past November days reached Kp 6.

How dark is Tønder in November?

Tønder averages 14.1 hours of civil night a night in November 2026, from 13 h 18 min on the 1st to 14 h 48 min on the last night.

How cloudy is Tønder in November?

NASA POWER's 2001 to 2020 climatology gives Tønder's 1 degree cell 83% mean cloud in November, against 75% for the whole year. It is an all-hours average, not a forecast.

What is the best night in November 2026 for aurora in Tønder?

By darkness and moon alone, Nov 4, with 4 h of moon-free darkness inside 10 PM to 2 AM at Tønder. Activity on that date will only be known hours ahead.

Is November or December better in Tønder?

By civil night times the clear share, November scores 2.4 hours at Tønder and December 2.0. November comes out ahead.

Tønder · November 2026

Northern lights in Tønder in November 2026

Answer

November gives Tønder 14.1 hours of civil night on the 15th, the 3rd darkest of its 12 months, under 83% mean cloud. 4% of November days since 1996 reached Kp 6, enough for the oval edge to reach Tønder.

14.1 h

civil night, average night

SunCalc for 54.93, 8.87; NASA POWER; GFZ Kp

November against the rest of the year

2.2

2.3

2.7

2.9

2.0

1.3

1.7

2.3

2.8

2.4

2.0

November cloud at Tønder averages 83% in NASA POWER's 2001 to 2020 record, 8 points cloudier than its yearly mean. April is Tønder's clearest month at 65%. By civil night times clear sky, November scores 2.4 hours at Tønder, 5th of 12. Odense, 109 km away, averages 76%, clearer by 7 points.

Civil night at Tønder starts November at 13 h 18 min and reaches 14 h 48 min by November 30 as the nights lengthen by 1.5 hours. SWPC's 10 PM to 2 AM window is fully dark on every night. True astronomical darkness, the sun 18 degrees down, lasts 11.2 hours on the 15th.

November night by night

November opens toward a new moon on Nov 9, with full moon on Nov 24, in Europe/Copenhagen dates. Tønder gets 221 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: Nov 4 (4 h), Nov 5 (4 h), Nov 6 (4 h).

1
49% lit
5.1 h
2
38% lit
6.7 h
3
28% lit
8.1 h
4
19% lit
9.6 h
5
11% lit
10.9 h
6
6% lit
12.3 h
7
2% lit
13.7 h
8
0% lit
13.7 h
9
1% lit
13.8 h
New
10
3% lit
13.8 h
11
7% lit
13.9 h
12
12% lit
13.6 h
13
19% lit
12.6 h
14
27% lit
11.4 h
15
36% lit
10.2 h
16
45% lit
8.9 h
17
55% lit
7.6 h
18
65% lit
6.3 h
19
74% lit
5.0 h
20
83% lit
3.6 h
21
90% lit
2.2 h
22
96% lit
0.6 h
23
99% lit
0.0 h
24
100% lit
0.0 h
Full
25
97% lit
0.0 h
26
92% lit
0.3 h
27
84% lit
1.8 h
28
75% lit
3.5 h
29
64% lit
5.0 h
30
53% lit
6.5 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 Novembers

Tønder needs Kp 6 for the average oval edge to sit overhead. 40 of the 900 November days from 1996 to 2025 (4%) reached it in the GFZ Potsdam record, one of the three most active months for that level; storm days with Kp 5 or more made up 10%. Tønder sits at 55.2 degrees geomagnetic. By SWPC's rule the average oval edge is overhead at Kp 6, and aurora is usually visible on the northern horizon at G1 (Kp 5) or less.

November across Denmark

Tønder ranks 5th in Denmark for civil night on November 15, behind Aalborg at 14.4 hours. Coming from October (12.2 hours at Tønder), November adds darkness, and the nights keep growing into December (15.2 hours on the 15th).

Civil night on November 15 and November cloud, month-page towns in Denmark
Town	Civil night	Cloud
Aalborg	14.4 h	84%
Århus	14.3 h	79%
Copenhagen	14.2 h	79%
Odense	14.2 h	76%
Tønder	14.1 h	83%

Darkness and moon, every night

Tønder, November 2026: each night from local noon to the next noon
Night	Civil	Astronomical	Moon-free dark	Moon-free, 10 PM to 2 AM	Moon lit
Sun Nov 1	13 h 18 min	10 h 29 min	5 h 8 min	37 min	49%
Mon Nov 2	13 h 22 min	10 h 32 min	6 h 40 min	2 h 8 min	38%
Tue Nov 3	13 h 26 min	10 h 36 min	8 h 8 min	3 h 34 min	28%
Wed Nov 4	13 h 29 min	10 h 39 min	9 h 34 min	4 h	19%
Thu Nov 5	13 h 33 min	10 h 43 min	10 h 57 min	4 h	11%
Fri Nov 6	13 h 37 min	10 h 46 min	12 h 20 min	4 h	6%
Sat Nov 7	13 h 40 min	10 h 49 min	13 h 40 min	4 h	2%
Sun Nov 8	13 h 44 min	10 h 53 min	13 h 44 min	4 h	0%
Mon Nov 9	13 h 47 min	10 h 56 min	13 h 47 min	4 h	1%
Tue Nov 10	13 h 51 min	10 h 59 min	13 h 51 min	4 h	3%
Wed Nov 11	13 h 54 min	11 h 2 min	13 h 54 min	4 h	7%
Thu Nov 12	13 h 58 min	11 h 5 min	13 h 38 min	4 h	12%
Fri Nov 13	14 h 1 min	11 h 8 min	12 h 37 min	4 h	19%
Sat Nov 14	14 h 4 min	11 h 11 min	11 h 25 min	4 h	27%
Sun Nov 15	14 h 7 min	11 h 14 min	10 h 10 min	4 h	36%
Mon Nov 16	14 h 10 min	11 h 16 min	8 h 53 min	3 h 38 min	45%
Tue Nov 17	14 h 14 min	11 h 19 min	7 h 36 min	2 h 19 min	55%
Wed Nov 18	14 h 17 min	11 h 22 min	6 h 19 min	1 h	65%
Thu Nov 19	14 h 20 min	11 h 24 min	5 h	0 min	74%
Fri Nov 20	14 h 22 min	11 h 27 min	3 h 38 min	0 min	83%
Sat Nov 21	14 h 25 min	11 h 29 min	2 h 11 min	0 min	90%
Sun Nov 22	14 h 28 min	11 h 32 min	38 min	0 min	96%
Mon Nov 23	14 h 31 min	11 h 34 min	0 min	0 min	99%
Tue Nov 24	14 h 33 min	11 h 36 min	0 min	0 min	100%
Wed Nov 25	14 h 36 min	11 h 39 min	0 min	0 min	97%
Thu Nov 26	14 h 38 min	11 h 41 min	21 min	0 min	92%
Fri Nov 27	14 h 41 min	11 h 43 min	1 h 50 min	0 min	84%
Sat Nov 28	14 h 43 min	11 h 45 min	3 h 27 min	0 min	75%
Sun Nov 29	14 h 45 min	11 h 47 min	5 h 2 min	0 min	64%
Mon Nov 30	14 h 48 min	11 h 49 min	6 h 32 min	1 h 22 min	53%

Moon lit: SunCalc illuminated fraction at the middle of the 10 PM to 2 AM window.

Questions

Can you see the northern lights in Tønder in November?: On dark, clear nights with enough activity. 30 of 30 nights at Tønder have civil darkness, and 4% of past November days reached Kp 6.
How dark is Tønder in November?: Tønder averages 14.1 hours of civil night a night in November 2026, from 13 h 18 min on the 1st to 14 h 48 min on the last night.
How cloudy is Tønder in November?: NASA POWER's 2001 to 2020 climatology gives Tønder's 1 degree cell 83% mean cloud in November, against 75% for the whole year. It is an all-hours average, not a forecast.
What is the best night in November 2026 for aurora in Tønder?: By darkness and moon alone, Nov 4, with 4 h of moon-free darkness inside 10 PM to 2 AM at Tønder. Activity on that date will only be known hours ahead.
Is November or December better in Tønder?: By civil night times the clear share, November scores 2.4 hours at Tønder and December 2.0. November comes out ahead.

Sources and verification

SunCalchttps://github.com/mourner/suncalc
NASA POWER climatologyhttps://power.larc.nasa.gov/docs/services/api/temporal/climatology/
GFZ Potsdam Kp indexhttps://kp.gfz.de/en/data
NOAA SWPC, Tips on viewing the aurorahttps://www.spaceweather.gov/content/tips-viewing-aurora

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.