S
M
T
W
T
F
S
26
54°
36°
27
75°
41°
28
58°
45°
29
71°
49°
30
51°
42°
1
50°
32°
2
51°
37°
3
53°
35°
4
53°
44°
5
63°
42°
6
56°
44°
7
54°
40°
8
51°
34°
9
52°
36°
10
55°
40°
11
56°
39°
12
57°
40°
13
56°
40°
14
55°
41°
15
57°
37°
16
57°
36°
17
58°
36°
18
58°
38°
19
63°
44°
20
68°
45°
21
69°
39°
22
60°
37°
23
60°
42°
24
59°
41°
25
61°
39°
26
61°
38°
27
62°
41°
28
63°
46°
29
63°
49°
30
69°
45°
31
67°
41°
1
63°
40°
2
63°
41°
3
64°
42°
4
63°
42°
5
64°
43°
6
65°
45°
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 50° to 69°, with overnight lows between 32° and 49°. The average high for May is 59° 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.
