S
M
T
W
T
F
S
26
59°
30°
27
61°
26°
28
64°
31°
29
55°
37°
30
60°
39°
1
54°
44°
2
62°
40°
3
48°
33°
4
60°
35°
5
74°
41°
6
67°
51°
7
60°
42°
8
57°
37°
9
59°
36°
10
62°
45°
11
63°
47°
12
53°
39°
13
62°
37°
14
68°
44°
15
54°
43°
16
77°
42°
17
78°
47°
18
69°
49°
19
69°
53°
20
83°
43°
21
60°
37°
22
62°
40°
23
60°
42°
24
60°
44°
25
59°
42°
26
60°
46°
27
61°
46°
28
67°
48°
29
64°
48°
30
65°
47°
31
63°
44°
1
60°
43°
2
60°
43°
3
61°
41°
4
61°
48°
5
62°
48°
6
62°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Shediac
Shediac's May 2026 forecast shows daily high temperatures ranging from 59° to 83°, with overnight lows between 37° and 53°. The average high for May is 63° with an average low of 45°. 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 Shediac. See also: June | July | August.