Can you see the northern lights in Udachny in June?

Not in June 2027. The sun stays above -6 degrees every night at Udachny, so there is no civil darkness.

How dark is Udachny in June?

Udachny averages 0.0 hours of civil night a night in June 2027, from 0 min on the 1st to 0 min on the last night.

How cloudy is Udachny in June?

NASA POWER's 2001 to 2020 climatology gives Udachny's 1 degree cell 67% mean cloud in June, against 60% for the whole year. It is an all-hours average, not a forecast.

What is the best night in June 2027 for aurora in Udachny?

No night in June 2027 has moon-free darkness inside 10 PM to 2 AM at Udachny.

Is June or July better in Udachny?

By civil night times the clear share, June scores 0.0 hours at Udachny and July 0.0. They are level.

Udachny · June 2027

Northern lights in Udachny in June 2027

Answer

Udachny has no civil darkness in June 2027: the sun stays above -6 degrees on all 30 nights. SWPC notes that "It must also be dark so during the summer months at auroral latitudes, the midnight sun prevents auroral observations."

0.0 h

civil night, average night

SunCalc for 66.43, 112.40; NASA POWER; GFZ Kp

June against the rest of the year

9.7

8.2

5.6

2.3

0.0

1.2

2.1

6.8

10.4

June cloud at Udachny averages 67% in NASA POWER's 2001 to 2020 record, 7 points cloudier than its yearly mean. February is Udachny's clearest month at 40%. By civil night times clear sky, June scores 0.0 hours at Udachny, 10th of 12. Talnakh, 1,050 km away, averages 74%, cloudier by 7 points.

The sun never gets 6 degrees below the horizon at Udachny in June 2027, so every night is twilight or daylight. July 15 is still without civil night at Udachny.

June night by night

The moon runs its cycle as usual, new on Jun 5 and full on Jun 19, but with no civil night it makes no difference at Udachny in June.

1
13% lit
no night
2
7% lit
no night
3
2% lit
no night
4
0% lit
no night
5
1% lit
no night
New
6
5% lit
no night
7
11% lit
no night
8
20% lit
no night
9
30% lit
no night
10
41% lit
no night
11
52% lit
no night
12
63% lit
no night
13
73% lit
no night
14
82% lit
no night
15
89% lit
no night
16
94% lit
no night
17
98% lit
no night
18
100% lit
no night
19
100% lit
no night
Full
20
98% lit
no night
21
94% lit
no night
22
89% lit
no night
23
82% lit
no night
24
74% lit
no night
25
65% lit
no night
26
56% lit
no night
27
46% lit
no night
28
36% lit
no night
29
26% lit
no night
30
17% lit
no night

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 Junes

Udachny needs Kp 5 for the average oval edge to sit overhead. 73 of the 900 June days from 1996 to 2025 (8%) reached it in the GFZ Potsdam record, 9th of 12 months; storm days with Kp 5 or more made up 8%. Udachny sits at 57.2 degrees geomagnetic. By SWPC's rule the average oval edge is overhead at Kp 5, and aurora is usually visible on the northern horizon at G1 (Kp 5) or less.

June across Russia

Udachny ranks 4th in Russia for civil night on June 15, behind Velikiy Novgorod at 2.7 hours. Coming from May (0.0 hours at Udachny), June changes little, and July holds about the same. The June solstice falls on June 21, 23:07 Udachny time.

Civil night on June 15 and June cloud, month-page towns in Russia
Town	Civil night	Cloud
Velikiy Novgorod	2.7 h	66%
Kolpino	1.4 h	67%
Saint Petersburg	1.0 h	67%
Udachny	0.0 h	67%
Arkhangel'sk	0.0 h	67%
Murmansk	0.0 h	79%
Petrozavodsk	0.0 h	73%
Syktyvkar	0.0 h	70%
Severodvinsk	0.0 h	67%
Norilsk	0.0 h	74%
Noyabrsk	0.0 h	69%
Ukhta	0.0 h	69%

Darkness and moon, every night

Udachny, June 2027: each night from local noon to the next noon
Night	Civil	Astronomical	Moon-free dark	Moon-free, 10 PM to 2 AM	Moon lit
Tue Jun 1	0 min	0 min	0 min	0 min	13%
Wed Jun 2	0 min	0 min	0 min	0 min	7%
Thu Jun 3	0 min	0 min	0 min	0 min	2%
Fri Jun 4	0 min	0 min	0 min	0 min	0%
Sat Jun 5	0 min	0 min	0 min	0 min	1%
Sun Jun 6	0 min	0 min	0 min	0 min	5%
Mon Jun 7	0 min	0 min	0 min	0 min	11%
Tue Jun 8	0 min	0 min	0 min	0 min	20%
Wed Jun 9	0 min	0 min	0 min	0 min	30%
Thu Jun 10	0 min	0 min	0 min	0 min	41%
Fri Jun 11	0 min	0 min	0 min	0 min	52%
Sat Jun 12	0 min	0 min	0 min	0 min	63%
Sun Jun 13	0 min	0 min	0 min	0 min	73%
Mon Jun 14	0 min	0 min	0 min	0 min	82%
Tue Jun 15	0 min	0 min	0 min	0 min	89%
Wed Jun 16	0 min	0 min	0 min	0 min	94%
Thu Jun 17	0 min	0 min	0 min	0 min	98%
Fri Jun 18	0 min	0 min	0 min	0 min	100%
Sat Jun 19	0 min	0 min	0 min	0 min	100%
Sun Jun 20	0 min	0 min	0 min	0 min	98%
Mon Jun 21	0 min	0 min	0 min	0 min	94%
Tue Jun 22	0 min	0 min	0 min	0 min	89%
Wed Jun 23	0 min	0 min	0 min	0 min	82%
Thu Jun 24	0 min	0 min	0 min	0 min	74%
Fri Jun 25	0 min	0 min	0 min	0 min	65%
Sat Jun 26	0 min	0 min	0 min	0 min	56%
Sun Jun 27	0 min	0 min	0 min	0 min	46%
Mon Jun 28	0 min	0 min	0 min	0 min	36%
Tue Jun 29	0 min	0 min	0 min	0 min	26%
Wed Jun 30	0 min	0 min	0 min	0 min	17%

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

Questions

Can you see the northern lights in Udachny in June?: Not in June 2027. The sun stays above -6 degrees every night at Udachny, so there is no civil darkness.
How dark is Udachny in June?: Udachny averages 0.0 hours of civil night a night in June 2027, from 0 min on the 1st to 0 min on the last night.
How cloudy is Udachny in June?: NASA POWER's 2001 to 2020 climatology gives Udachny's 1 degree cell 67% mean cloud in June, against 60% for the whole year. It is an all-hours average, not a forecast.
What is the best night in June 2027 for aurora in Udachny?: No night in June 2027 has moon-free darkness inside 10 PM to 2 AM at Udachny.
Is June or July better in Udachny?: By civil night times the clear share, June scores 0.0 hours at Udachny and July 0.0. They are level.

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.