S
M
T
W
T
F
S
26
67°
34°
27
74°
37°
28
74°
44°
29
61°
51°
30
51°
35°
1
48°
30°
2
53°
28°
3
52°
31°
4
56°
29°
5
69°
39°
6
52°
38°
7
52°
35°
8
52°
35°
9
64°
35°
10
64°
41°
11
54°
35°
12
53°
33°
13
55°
34°
14
51°
44°
15
69°
48°
16
72°
51°
17
66°
48°
18
66°
42°
19
74°
62°
20
70°
36°
21
58°
38°
22
66°
41°
23
63°
45°
24
63°
47°
25
60°
51°
26
67°
50°
27
66°
49°
28
71°
52°
29
72°
53°
30
75°
54°
31
73°
55°
1
72°
46°
2
66°
51°
3
66°
51°
4
63°
52°
5
65°
52°
6
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Saint-Boniface
Saint-Boniface's May 2026 forecast shows daily high temperatures ranging from 58° to 75°, with overnight lows between 36° and 62°. 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 Saint-Boniface. See also: June | July | August.
