S
M
T
W
T
F
S
26
30°
18°
27
33°
21°
28
47°
17°
29
51°
20°
30
57°
28°
1
72°
28°
2
65°
39°
3
76°
35°
4
44°
30°
5
47°
25°
6
54°
17°
7
67°
25°
8
73°
33°
9
61°
25°
10
73°
29°
11
76°
46°
12
74°
41°
13
83°
45°
14
67°
47°
15
64°
38°
16
62°
33°
17
45°
33°
18
48°
32°
19
60°
32°
20
64°
39°
21
61°
41°
22
62°
35°
23
72°
36°
24
83°
50°
25
86°
45°
26
93°
51°
27
93°
60°
28
91°
65°
29
91°
65°
30
75°
61°
31
76°
58°
1
58°
48°
2
62°
49°
3
64°
49°
4
67°
46°
5
76°
50°
6
73°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Assiniboia
Assiniboia's May 2026 forecast shows daily high temperatures ranging from 73° to 73°, with overnight lows between 53° and 53°. The average high for May is 73° with an average low of 53°. 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 Assiniboia. See also: June | July | August.