S
M
T
W
T
F
S
27
31°
7°
28
21°
6°
29
19°
17°
30
30°
18°
31
32°
16°
1
32°
20°
2
33°
16°
3
36°
11°
4
33°
5°
5
27°
3°
6
15°
9°
7
17°
14°
8
26°
11°
9
27°
11°
10
23°
1°
11
25°
-4°
12
13°
-1°
13
13°
-6°
14
21°
-1°
15
10°
3°
16
16°
4°
17
16°
5°
18
17°
-3°
19
28°
-6°
20
13°
1°
21
12°
10°
22
22°
12°
23
29°
0°
24
29°
3°
25
18°
15°
26
28°
14°
27
29°
14°
28
22°
5°
29
26°
5°
30
Hist. Avg.
23°
5°
31
Hist. Avg.
23°
5°
1
Hist. Avg.
23°
6°
2
Hist. Avg.
24°
6°
3
Hist. Avg.
24°
6°
4
Hist. Avg.
24°
6°
5
Hist. Avg.
24°
6°
6
Hist. Avg.
25°
7°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Montreal
Montreal's January 2027 forecast shows daily high temperatures ranging from 10° to 36°, with overnight lows between -6° and 20°. The average high for January is 23° with an average low of 7°. 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 Montreal. See also: February | March | April.
