S
M
T
W
T
F
S
26
55°
36°
27
55°
37°
28
54°
38°
29
55°
40°
30
51°
37°
1
40°
37°
2
50°
36°
3
48°
38°
4
50°
38°
5
59°
41°
6
48°
40°
7
50°
38°
8
53°
39°
9
54°
39°
10
60°
44°
11
49°
41°
12
49°
38°
13
54°
40°
14
52°
42°
15
50°
40°
16
59°
40°
17
51°
43°
18
53°
40°
19
46°
39°
20
56°
39°
21
50°
39°
22
56°
38°
23
55°
40°
24
62°
41°
25
53°
42°
26
56°
42°
27
47°
40°
28
44°
40°
29
48°
40°
30
58°
40°
31
55°
42°
1
58°
42°
2
60°
45°
3
63°
45°
4
63°
46°
5
66°
46°
6
54°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Saint-Mathieu-de-Rioux
Saint-Mathieu-de-Rioux's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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-Mathieu-de-Rioux. See also: June | July | August.
