S
M
T
W
T
F
S
29
61°
47°
30
65°
47°
1
64°
46°
2
64°
43°
3
54°
37°
4
56°
37°
5
61°
45°
6
62°
40°
7
53°
37°
8
51°
37°
9
52°
39°
10
51°
34°
11
51°
31°
12
52°
31°
13
55°
32°
14
54°
32°
15
54°
43°
16
55°
38°
17
60°
42°
18
62°
34°
19
58°
29°
20
51°
26°
21
48°
28°
22
49°
31°
23
51°
31°
24
50°
29°
25
49°
27°
26
49°
28°
27
50°
28°
28
51°
29°
29
52°
36°
30
56°
33°
31
61°
28°
1
50°
25°
2
48°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Alberta
Alberta's December 2026 forecast shows daily high temperatures ranging from 48° to 65°, with overnight lows between 25° and 47°. The average high for December is 55° with an average low of 34°. 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 Alberta. See also: January | February | March.
