S
M
T
W
T
F
S
26
63°
35°
27
70°
37°
28
69°
48°
29
58°
49°
30
49°
35°
1
48°
30°
2
43°
33°
3
51°
33°
4
60°
36°
5
64°
47°
6
51°
41°
7
47°
36°
8
50°
35°
9
64°
40°
10
52°
40°
11
51°
37°
12
52°
31°
13
49°
40°
14
52°
44°
15
63°
45°
16
68°
50°
17
63°
38°
18
68°
60°
19
78°
60°
20
69°
37°
21
55°
38°
22
58°
41°
23
63°
43°
24
61°
46°
25
66°
46°
26
65°
51°
27
68°
49°
28
69°
43°
29
61°
48°
30
61°
48°
31
65°
47°
1
60°
46°
2
60°
44°
3
61°
42°
4
61°
42°
5
63°
50°
6
66°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Jasper in Québec
Jasper in Québec's May 2026 forecast shows daily high temperatures ranging from 55° to 78°, with overnight lows between 37° and 60°. The average high for May is 64° with an average low of 46°. 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 Jasper in Québec. See also: June | July | August.