S
M
T
W
T
F
S
26
66°
39°
27
68°
45°
28
63°
50°
29
54°
43°
30
54°
39°
1
48°
36°
2
50°
34°
3
64°
34°
4
79°
48°
5
66°
48°
6
54°
39°
7
55°
34°
8
64°
34°
9
70°
37°
10
59°
37°
11
57°
36°
12
61°
30°
13
59°
45°
14
64°
41°
15
72°
36°
16
82°
55°
17
86°
55°
18
90°
66°
19
86°
66°
20
61°
37°
21
62°
41°
22
66°
52°
23
60°
51°
24
75°
55°
25
73°
52°
26
78°
54°
27
77°
56°
28
78°
57°
29
75°
55°
30
74°
56°
31
75°
55°
1
75°
56°
2
76°
51°
3
76°
57°
4
77°
56°
5
76°
56°
6
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lum
Lum's May 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 37° and 57°. The average high for May is 72° with an average low of 53°. 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 Lum. See also: June | July | August.
