S
M
T
W
T
F
S
26
54°
36°
27
75°
41°
28
58°
45°
29
71°
49°
30
51°
42°
1
52°
35°
2
52°
31°
3
55°
35°
4
53°
31°
5
72°
43°
6
54°
42°
7
52°
42°
8
55°
38°
9
66°
36°
10
66°
47°
11
58°
40°
12
56°
38°
13
58°
35°
14
51°
46°
15
57°
46°
16
76°
52°
17
68°
50°
18
55°
47°
19
54°
48°
20
79°
45°
21
58°
40°
22
69°
38°
23
62°
43°
24
72°
48°
25
61°
50°
26
80°
53°
27
68°
45°
28
51°
44°
29
54°
45°
30
60°
45°
31
64°
46°
1
66°
46°
2
66°
46°
3
77°
54°
4
78°
56°
5
76°
54°
6
74°
53°
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 51° to 78°, with overnight lows between 44° and 56°. The average high for May is 67° with an average low of 49°. 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.
