S
M
T
W
T
F
S
26
N/A
27
N/A
28
N/A
29
N/A
30
N/A
1
N/A
2
N/A
3
N/A
4
64°
49°
5
63°
46°
6
63°
47°
7
67°
50°
8
70°
52°
9
65°
53°
10
68°
55°
11
65°
53°
12
66°
52°
13
66°
52°
14
64°
52°
15
64°
53°
16
65°
52°
17
64°
48°
18
64°
49°
19
65°
48°
20
66°
48°
21
66°
49°
22
67°
50°
23
66°
50°
24
65°
51°
25
67°
49°
26
70°
51°
27
72°
51°
28
73°
56°
29
69°
55°
30
72°
56°
31
75°
55°
1
75°
57°
2
76°
58°
3
75°
58°
4
73°
57°
5
70°
58°
6
70°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rennes-les-Bains
Rennes-les-Bains's May 2026 forecast shows daily high temperatures ranging from 63° to 76°, with overnight lows between 46° and 58°. The average high for May is 68° with an average low of 52°. 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 Rennes-les-Bains. See also: June | July | August.