S
M
T
W
T
F
S
29
33°
29°
30
39°
29°
1
41°
27°
2
39°
25°
3
30°
22°
4
31°
26°
5
30°
17°
6
25°
10°
7
24°
10°
8
30°
24°
9
34°
24°
10
35°
23°
11
34°
24°
12
35°
22°
13
33°
19°
14
26°
6°
15
19°
5°
16
22°
20°
17
30°
21°
18
33°
22°
19
34°
21°
20
34°
21°
21
32°
19°
22
34°
18°
23
26°
17°
24
31°
20°
25
21°
2°
26
25°
2°
27
23°
3°
28
24°
14°
29
25°
17°
30
30°
16°
31
31°
17°
1
31°
16°
2
30°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Repentigny
Repentigny's December 2026 forecast shows daily high temperatures ranging from 19° to 41°, with overnight lows between 2° and 29°. The average high for December is 30° with an average low of 18°. 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 Repentigny. See also: January | February | March.
