S
M
T
W
T
F
S
26
67°
39°
27
74°
41°
28
75°
48°
29
66°
53°
30
53°
39°
1
56°
36°
2
49°
38°
3
55°
36°
4
65°
43°
5
72°
49°
6
49°
43°
7
55°
44°
8
55°
40°
9
66°
37°
10
62°
45°
11
55°
43°
12
58°
42°
13
53°
50°
14
58°
49°
15
68°
51°
16
71°
53°
17
70°
44°
18
65°
55°
19
81°
56°
20
67°
44°
21
65°
51°
22
69°
50°
23
71°
52°
24
68°
51°
25
67°
49°
26
73°
53°
27
73°
53°
28
72°
55°
29
75°
55°
30
74°
54°
31
73°
54°
1
70°
50°
2
65°
48°
3
69°
51°
4
71°
55°
5
69°
55°
6
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Saint-Basile-le-Grand
Saint-Basile-le-Grand's May 2026 forecast shows daily high temperatures ranging from 53° to 81°, with overnight lows between 42° and 56°. The average high for May is 69° with an average low of 51°. 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-Basile-le-Grand. See also: June | July | August.