S
M
T
W
T
F
S
29
32°
17°
30
27°
15°
1
23°
14°
2
26°
17°
3
32°
17°
4
29°
16°
5
29°
14°
6
28°
12°
7
20°
12°
8
28°
14°
9
29°
14°
10
29°
13°
11
28°
13°
12
28°
12°
13
27°
13°
14
14°
8°
15
19°
9°
16
23°
6°
17
22°
4°
18
23°
-3°
19
16°
-8°
20
12°
0°
21
14°
5°
22
22°
-4°
23
21°
2°
24
12°
3°
25
17°
6°
26
21°
3°
27
21°
2°
28
20°
-5°
29
14°
-2°
30
10°
-12°
31
11°
-13°
1
6°
-5°
2
5°
1°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Winnipeg
Winnipeg's December 2026 forecast shows daily high temperatures ranging from 5° to 32°, with overnight lows between -13° and 17°. The average high for December is 21° with an average low of 6°. 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 Winnipeg. See also: January | February | March.
