S
M
T
W
T
F
S
26
75°
45°
27
73°
46°
28
70°
48°
29
77°
54°
30
77°
57°
1
77°
54°
2
70°
55°
3
68°
55°
4
63°
54°
5
57°
52°
6
61°
50°
7
66°
46°
8
72°
50°
9
75°
52°
10
64°
55°
11
61°
52°
12
63°
46°
13
59°
46°
14
55°
43°
15
59°
39°
16
61°
43°
17
61°
48°
18
59°
52°
19
68°
53°
20
73°
50°
21
79°
55°
22
82°
58°
23
80°
59°
24
80°
59°
25
77°
58°
26
78°
58°
27
77°
58°
28
75°
58°
29
76°
57°
30
69°
50°
31
64°
52°
1
64°
51°
2
65°
48°
3
66°
51°
4
70°
54°
5
72°
56°
6
72°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Le Mans
Le Mans's May 2026 forecast shows daily high temperatures ranging from 59° to 82°, with overnight lows between 48° and 59°. The average high for May is 72° with an average low of 54°. 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 Le Mans. See also: June | July | August.