S
M
T
W
T
F
S
26
66°
41°
27
66°
45°
28
68°
48°
29
64°
45°
30
63°
41°
1
70°
43°
2
75°
48°
3
63°
50°
4
59°
46°
5
59°
50°
6
54°
46°
7
55°
45°
8
63°
46°
9
70°
46°
10
70°
52°
11
54°
39°
12
48°
36°
13
54°
41°
14
52°
41°
15
54°
41°
16
52°
37°
17
57°
37°
18
59°
48°
19
59°
45°
20
63°
54°
21
68°
52°
22
77°
54°
23
81°
59°
24
N/A
25
87°
56°
26
87°
59°
27
85°
54°
28
83°
56°
29
85°
58°
30
82°
59°
31
77°
55°
1
75°
54°
2
75°
56°
3
75°
55°
4
73°
53°
5
70°
52°
6
65°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Luxembourg
Luxembourg's May 2026 forecast shows daily high temperatures ranging from 65° to 87°, with overnight lows between 52° and 59°. The average high for May is 78° with an average low of 55°. 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 Luxembourg. See also: June | July | August.
