S
M
T
W
T
F
S
28
42°
29°
29
41°
27°
30
42°
32°
31
41°
27°
1
39°
27°
2
38°
28°
3
39°
28°
4
38°
26°
5
33°
24°
6
36°
20°
7
38°
29°
8
51°
36°
9
49°
39°
10
40°
34°
11
40°
29°
12
53°
39°
13
54°
46°
14
54°
45°
15
55°
44°
16
52°
44°
17
52°
44°
18
52°
39°
19
50°
35°
20
48°
38°
21
56°
44°
22
51°
42°
23
48°
40°
24
49°
37°
25
45°
38°
26
46°
39°
27
49°
40°
28
45°
36°
29
42°
31°
30
52°
38°
31
47°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Longueil-Sainte-Marie
Longueil-Sainte-Marie's January 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Longueil-Sainte-Marie. See also: February | March | April.
