S
M
T
W
T
F
S
26
63°
47°
27
66°
48°
28
65°
44°
29
63°
41°
30
63°
42°
31
62°
44°
1
65°
43°
2
64°
46°
3
63°
44°
4
66°
47°
5
67°
48°
6
67°
46°
7
66°
40°
8
61°
39°
9
61°
41°
10
62°
41°
11
60°
42°
12
60°
42°
13
61°
43°
14
63°
42°
15
62°
44°
16
64°
41°
17
61°
42°
18
59°
44°
19
63°
39°
20
60°
43°
21
Hist. Avg.
56°
44°
22
Hist. Avg.
55°
44°
23
Hist. Avg.
55°
43°
24
Hist. Avg.
55°
43°
25
Hist. Avg.
55°
43°
26
Hist. Avg.
54°
43°
27
Hist. Avg.
54°
42°
28
Hist. Avg.
54°
42°
29
Hist. Avg.
54°
42°
30
Hist. Avg.
53°
42°
31
Hist. Avg.
53°
42°
1
Hist. Avg.
53°
41°
2
Hist. Avg.
52°
41°
3
Hist. Avg.
52°
41°
4
Hist. Avg.
52°
41°
5
Hist. Avg.
52°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Longyearbyen
Longyearbyen's August 2026 forecast shows daily high temperatures ranging from 59° to 67°, with overnight lows between 39° and 48°. The average high for August is 63° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Longyearbyen. See also: September | October | November.
