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