S
M
T
W
T
F
S
26
50°
32°
27
49°
34°
28
48°
31°
29
50°
29°
30
56°
37°
1
51°
40°
2
60°
30°
3
50°
31°
4
50°
34°
5
49°
33°
6
53°
33°
7
52°
32°
8
55°
37°
9
52°
36°
10
54°
33°
11
62°
39°
12
60°
34°
13
55°
33°
14
54°
33°
15
54°
34°
16
56°
35°
17
57°
43°
18
64°
42°
19
60°
40°
20
59°
39°
21
67°
45°
22
62°
44°
23
70°
46°
24
72°
47°
25
73°
49°
26
74°
48°
27
75°
50°
28
76°
50°
29
76°
49°
30
71°
48°
31
66°
50°
1
71°
49°
2
73°
46°
3
73°
48°
4
75°
41°
5
67°
52°
6
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Quebec
Quebec's May 2026 forecast shows daily high temperatures ranging from 48° to 76°, with overnight lows between 29° and 54°. The average high for May is 61° with an average low of 40°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Quebec. See also: June | July | August.
