S
M
T
W
T
F
S
26
28°
18°
27
43°
15°
28
54°
23°
29
60°
24°
30
71°
30°
1
67°
38°
2
69°
36°
3
66°
34°
4
54°
27°
5
55°
32°
6
68°
44°
7
68°
41°
8
74°
43°
9
64°
42°
10
68°
41°
11
77°
42°
12
68°
40°
13
66°
39°
14
68°
40°
15
69°
42°
16
63°
37°
17
67°
41°
18
63°
42°
19
60°
40°
20
58°
40°
21
64°
42°
22
68°
43°
23
68°
44°
24
69°
44°
25
70°
45°
26
67°
45°
27
62°
44°
28
67°
44°
29
69°
45°
30
71°
46°
31
72°
47°
1
73°
48°
2
72°
47°
3
73°
48°
4
71°
47°
5
69°
46°
6
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Stettler
Stettler's May 2026 forecast shows daily high temperatures ranging from 54° to 77°, with overnight lows between 27° and 48°. The average high for May is 67° with an average low of 42°. 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 Stettler. See also: June | July | August.