S
M
T
W
T
F
S
31
48°
40°
1
54°
45°
2
53°
42°
3
51°
41°
4
55°
43°
5
56°
40°
6
57°
40°
7
58°
41°
8
58°
40°
9
57°
41°
10
58°
41°
11
59°
40°
12
59°
37°
13
51°
36°
14
54°
36°
15
51°
35°
16
51°
35°
17
52°
36°
18
51°
36°
19
52°
37°
20
52°
38°
21
53°
37°
22
58°
42°
23
60°
42°
24
56°
40°
25
54°
38°
26
54°
39°
27
55°
39°
28
55°
40°
29
56°
39°
30
55°
41°
1
56°
40°
2
57°
39°
3
56°
39°
4
57°
40°
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 48° to 60°, with overnight lows between 35° and 45°. The average high for June is 55° with an average low of 39°. 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.
