S
M
T
W
T
F
S
29
36°
25°
30
38°
23°
1
41°
20°
2
39°
19°
3
31°
15°
4
28°
19°
5
30°
19°
6
32°
18°
7
32°
18°
8
30°
17°
9
34°
16°
10
32°
12°
11
26°
9°
12
22°
5°
13
21°
6°
14
21°
5°
15
18°
6°
16
20°
12°
17
22°
13°
18
28°
-3°
19
31°
-4°
20
15°
2°
21
21°
-2°
22
17°
-3°
23
17°
-5°
24
16°
7°
25
19°
12°
26
32°
5°
27
10°
-5°
28
20°
8°
29
21°
11°
30
Hist. Avg.
20°
4°
31
Hist. Avg.
19°
4°
1
Hist. Avg.
20°
5°
2
Hist. Avg.
20°
4°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Tadoussac
Tadoussac's December 2026 forecast shows daily high temperatures ranging from 10° to 41°, with overnight lows between -5° and 25°. The average high for December is 26° with an average low of 10°. 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 Tadoussac. See also: January | February | March.
