Can you see the northern lights in Whitehorse in June?

On dark, clear nights with enough activity. 6 of 30 nights at Whitehorse have civil darkness, and 72% of past June days reached Kp 2.

How dark is Whitehorse in June?

Whitehorse averages 0.2 hours of civil night a night in June 2027, from 1 h 40 min on the 1st to 0 min on the last night.

How cloudy is Whitehorse in June?

NASA POWER's 2001 to 2020 climatology gives Whitehorse's 1 degree cell 77% mean cloud in June, against 70% for the whole year. It is an all-hours average, not a forecast.

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

By darkness and moon alone, Jun 1, with 52 min of moon-free darkness inside 10 PM to 2 AM at Whitehorse. Activity on that date will only be known hours ahead.

Is June or July better in Whitehorse?

By civil night times the clear share, June scores 0.0 hours at Whitehorse and July 0.7. July comes out ahead.

Whitehorse · June 2027

Northern lights in Whitehorse in June 2027

Answer

June gives Whitehorse 0.0 hours of civil night on the 15th, the lightest month of its year, under 77% mean cloud. 72% of June days since 1996 reached Kp 2, enough for the oval edge to reach Whitehorse.

0.2 h

civil night, average night

SunCalc for 60.72, -135.05; NASA POWER; GFZ Kp

June against the rest of the year

5.1

4.2

2.5

1.2

0.0

0.7

1.7

2.5

2.9

3.8

5.2

June cloud at Whitehorse averages 77% in NASA POWER's 2001 to 2020 record, 7 points cloudier than its yearly mean. March is Whitehorse's clearest month at 60%. By civil night times clear sky, June scores 0.0 hours at Whitehorse, 12th of 12. Juneau, 271 km away, averages 81%, cloudier by 4 points.

Civil night at Whitehorse starts June at 1 h 40 min and reaches 0 min by June 30, 1.7 hours shorter. 24 Whitehorse nights this month have no civil darkness at all. No night keeps the 10 PM to 2 AM window fully dark at Whitehorse. The sun never reaches 18 degrees down, so Whitehorse gets no astronomical night in June.

June night by night

June opens toward a new moon on Jun 4, with full moon on Jun 18, in America/Whitehorse dates. Whitehorse gets 7 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: Jun 1 (52 min), Jun 2 (46 min), Jun 3 (41 min).

1
9% lit
1.7 h
2
3% lit
1.5 h
3
1% lit
1.3 h
4
0% lit
1.1 h
New
5
3% lit
0.8 h
6
9% lit
0.4 h
7
17% lit
no night
8
26% lit
no night
9
37% lit
no night
10
48% lit
no night
11
59% lit
no night
12
70% lit
no night
13
79% lit
no night
14
87% lit
no night
15
93% lit
no night
16
97% lit
no night
17
99% lit
no night
18
100% lit
no night
Full
19
98% lit
no night
20
95% lit
no night
21
91% lit
no night
22
84% lit
no night
23
77% lit
no night
24
69% lit
no night
25
59% lit
no night
26
49% lit
no night
27
39% lit
no night
28
29% lit
no night
29
20% lit
no night
30
11% 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

Whitehorse needs Kp 2 for the average oval edge to sit overhead. 652 of the 900 June days from 1996 to 2025 (72%) reached it in the GFZ Potsdam record, one of the three quietest months for that level; storm days with Kp 5 or more made up 8%. Whitehorse sits at 63.8 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.

June across Canada

Whitehorse ranks 22nd in Canada for civil night on June 15, behind Greater Sudbury at 6.8 hours. Coming from May (4.0 hours at Whitehorse), June loses darkness, and the nights keep growing into July (2.6 hours on the 15th). The June solstice falls on June 21, 07:07 Whitehorse time.

Civil night on June 15 and June cloud, month-page towns in Canada
Town	Civil night	Cloud
Greater Sudbury	6.8 h	60%
Trois-Rivières	6.8 h	63%
Sydney	6.8 h	70%
Québec	6.7 h	65%
St. John's	6.6 h	77%
Saguenay	6.4 h	67%
Thunder Bay	6.4 h	70%
Winnipeg	6.1 h	60%
Kelowna	6.1 h	67%
Lethbridge	6.1 h	60%
Regina	5.9 h	63%
Kamloops	5.9 h	68%
Whitehorse	0.0 h	77%

Darkness and moon, every night

Whitehorse, June 2027: each night from local noon to the next noon
Night	Civil	Moon-free dark	Moon-free, 10 PM to 2 AM	Moon lit
Tue Jun 1	1 h 40 min	1 h 40 min	52 min	9%
Wed Jun 2	1 h 29 min	1 h 29 min	46 min	3%
Thu Jun 3	1 h 18 min	1 h 18 min	41 min	1%
Fri Jun 4	1 h 5 min	1 h 5 min	34 min	0%
Sat Jun 5	50 min	50 min	26 min	3%
Sun Jun 6	30 min	24 min	10 min	9%
Mon Jun 7	0 min	0 min	0 min	17%
Tue Jun 8	0 min	0 min	0 min	26%
Wed Jun 9	0 min	0 min	0 min	37%
Thu Jun 10	0 min	0 min	0 min	48%
Fri Jun 11	0 min	0 min	0 min	59%
Sat Jun 12	0 min	0 min	0 min	70%
Sun Jun 13	0 min	0 min	0 min	79%
Mon Jun 14	0 min	0 min	0 min	87%
Tue Jun 15	0 min	0 min	0 min	93%
Wed Jun 16	0 min	0 min	0 min	97%
Thu Jun 17	0 min	0 min	0 min	99%
Fri Jun 18	0 min	0 min	0 min	100%
Sat Jun 19	0 min	0 min	0 min	98%
Sun Jun 20	0 min	0 min	0 min	95%
Mon Jun 21	0 min	0 min	0 min	91%
Tue Jun 22	0 min	0 min	0 min	84%
Wed Jun 23	0 min	0 min	0 min	77%
Thu Jun 24	0 min	0 min	0 min	69%
Fri Jun 25	0 min	0 min	0 min	59%
Sat Jun 26	0 min	0 min	0 min	49%
Sun Jun 27	0 min	0 min	0 min	39%
Mon Jun 28	0 min	0 min	0 min	29%
Tue Jun 29	0 min	0 min	0 min	20%
Wed Jun 30	0 min	0 min	0 min	11%

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

Questions

Can you see the northern lights in Whitehorse in June?: On dark, clear nights with enough activity. 6 of 30 nights at Whitehorse have civil darkness, and 72% of past June days reached Kp 2.
How dark is Whitehorse in June?: Whitehorse averages 0.2 hours of civil night a night in June 2027, from 1 h 40 min on the 1st to 0 min on the last night.
How cloudy is Whitehorse in June?: NASA POWER's 2001 to 2020 climatology gives Whitehorse's 1 degree cell 77% mean cloud in June, against 70% for the whole year. It is an all-hours average, not a forecast.
What is the best night in June 2027 for aurora in Whitehorse?: By darkness and moon alone, Jun 1, with 52 min of moon-free darkness inside 10 PM to 2 AM at Whitehorse. Activity on that date will only be known hours ahead.
Is June or July better in Whitehorse?: By civil night times the clear share, June scores 0.0 hours at Whitehorse and July 0.7. July 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.