S
M
T
W
T
F
S
26
47°
32°
27
50°
37°
28
50°
36°
29
53°
31°
30
50°
32°
1
55°
33°
2
50°
35°
3
50°
34°
4
51°
33°
5
50°
33°
6
53°
41°
7
61°
37°
8
53°
37°
9
52°
36°
10
53°
37°
11
54°
38°
12
59°
43°
13
58°
39°
14
54°
41°
15
56°
41°
16
55°
39°
17
61°
48°
18
63°
49°
19
68°
50°
20
68°
49°
21
62°
47°
22
60°
46°
23
62°
47°
24
61°
50°
25
70°
51°
26
71°
53°
27
71°
48°
28
72°
52°
29
68°
53°
30
66°
50°
31
71°
45°
1
65°
44°
2
63°
42°
3
64°
46°
4
66°
53°
5
67°
55°
6
67°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Belgium
Belgium's May 2026 forecast shows daily high temperatures ranging from 47° to 72°, with overnight lows between 31° and 55°. The average high for May is 60° with an average low of 43°. 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 Belgium. See also: June | July | August.
