S
M
T
W
T
F
S
29
18°
8°
30
21°
7°
1
23°
7°
2
20°
14°
3
22°
19°
4
31°
6°
5
30°
5°
6
25°
3°
7
24°
5°
8
23°
5°
9
26°
18°
10
33°
11°
11
Hist. Avg.
23°
11°
12
Hist. Avg.
23°
11°
13
Hist. Avg.
22°
10°
14
Hist. Avg.
22°
10°
15
Hist. Avg.
22°
10°
16
Hist. Avg.
22°
10°
17
Hist. Avg.
22°
10°
18
Hist. Avg.
21°
9°
19
Hist. Avg.
21°
9°
20
Hist. Avg.
21°
9°
21
Hist. Avg.
21°
9°
22
Hist. Avg.
21°
9°
23
Hist. Avg.
21°
9°
24
Hist. Avg.
21°
9°
25
Hist. Avg.
21°
8°
26
Hist. Avg.
21°
8°
27
Hist. Avg.
21°
8°
28
Hist. Avg.
21°
8°
29
Hist. Avg.
21°
8°
30
Hist. Avg.
21°
8°
31
Hist. Avg.
21°
8°
1
Hist. Avg.
23°
9°
2
Hist. Avg.
23°
8°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Banff
Banff's December 2026 forecast shows daily high temperatures ranging from 18° to 33°, with overnight lows between 3° and 19°. The average high for December is 25° with an average low of 9°. 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 Banff. See also: January | February | March.
