S
M
T
W
T
F
S
26
56°
37°
27
52°
38°
28
56°
35°
29
57°
36°
30
48°
37°
1
49°
35°
2
48°
34°
3
48°
34°
4
49°
31°
5
54°
31°
6
60°
38°
7
61°
42°
8
62°
38°
9
59°
37°
10
62°
42°
11
54°
35°
12
53°
35°
13
55°
39°
14
54°
38°
15
56°
36°
16
57°
42°
17
58°
40°
18
61°
41°
19
58°
36°
20
59°
42°
21
64°
46°
22
67°
46°
23
69°
48°
24
68°
48°
25
70°
46°
26
62°
43°
27
64°
49°
28
71°
48°
29
70°
47°
30
72°
44°
31
72°
40°
1
73°
49°
2
76°
52°
3
77°
51°
4
77°
53°
5
78°
53°
6
77°
50°
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 78°, with overnight lows between 31° and 53°. The average high for May is 62° with an average low of 41°. 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.
