S
M
T
W
T
F
S
29
44°
12°
30
40°
10°
1
37°
9°
2
36°
8°
3
37°
16°
4
41°
15°
5
46°
19°
6
45°
19°
7
40°
20°
8
42°
21°
9
47°
17°
10
45°
11°
11
41°
11°
12
Hist. Avg.
41°
12°
13
Hist. Avg.
40°
12°
14
Hist. Avg.
40°
11°
15
Hist. Avg.
40°
11°
16
Hist. Avg.
40°
11°
17
Hist. Avg.
40°
11°
18
Hist. Avg.
40°
11°
19
Hist. Avg.
40°
11°
20
Hist. Avg.
40°
11°
21
Hist. Avg.
40°
11°
22
Hist. Avg.
40°
11°
23
Hist. Avg.
40°
11°
24
Hist. Avg.
40°
11°
25
Hist. Avg.
40°
11°
26
Hist. Avg.
40°
11°
27
Hist. Avg.
40°
11°
28
Hist. Avg.
40°
11°
29
Hist. Avg.
40°
11°
30
Hist. Avg.
40°
11°
31
Hist. Avg.
40°
11°
1
Hist. Avg.
40°
11°
2
Hist. Avg.
40°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in McGill
McGill's December 2026 forecast shows daily high temperatures ranging from 36° to 47°, with overnight lows between 8° and 21°. The average high for December is 42° 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 McGill. See also: January | February | March.
