S
M
T
W
T
F
S
31
31°
14°
1
33°
13°
2
31°
14°
3
30°
13°
4
31°
16°
5
33°
13°
6
32°
14°
7
30°
14°
8
30°
17°
9
32°
17°
10
32°
16°
11
33°
16°
12
33°
17°
13
32°
18°
14
33°
17°
15
34°
17°
16
32°
18°
17
32°
17°
18
34°
19°
19
33°
18°
20
33°
17°
21
34°
18°
22
32°
18°
23
32°
19°
24
33°
19°
25
33°
20°
26
34°
20°
27
35°
23°
28
38°
24°
29
39°
23°
30
39°
22°
1
38°
23°
2
36°
21°
3
37°
23°
4
39°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Longyearbyen
Longyearbyen's June 2026 forecast shows daily high temperatures ranging from 30° to 39°, with overnight lows between 13° and 25°. The average high for June is 34° with an average low of 18°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Longyearbyen. See also: July | August | September.
