S
M
T
W
T
F
S
26
66°
30°
27
72°
34°
28
73°
37°
29
68°
37°
30
50°
39°
1
50°
29°
2
49°
28°
3
49°
27°
4
57°
26°
5
77°
39°
6
46°
41°
7
50°
31°
8
48°
31°
9
63°
29°
10
62°
42°
11
50°
36°
12
53°
30°
13
53°
31°
14
55°
44°
15
64°
49°
16
73°
52°
17
71°
43°
18
72°
42°
19
81°
54°
20
78°
45°
21
55°
29°
22
65°
27°
23
64°
41°
24
51°
43°
25
62°
47°
26
76°
59°
27
71°
45°
28
61°
43°
29
58°
43°
30
60°
42°
31
61°
47°
1
66°
46°
2
63°
46°
3
66°
50°
4
68°
49°
5
69°
45°
6
67°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Saint-Malo
Saint-Malo's May 2026 forecast shows daily high temperatures ranging from 51° to 76°, with overnight lows between 41° and 59°. The average high for May is 64° with an average low of 46°. 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-Malo. See also: June | July | August.
