S
M
T
W
T
F
S
26
56°
22°
27
52°
22°
28
62°
23°
29
64°
37°
30
68°
28°
1
72°
30°
2
76°
34°
3
78°
34°
4
77°
36°
5
74°
40°
6
76°
36°
7
71°
43°
8
71°
32°
9
74°
31°
10
81°
34°
11
75°
41°
12
89°
36°
13
77°
37°
14
67°
33°
15
65°
32°
16
52°
31°
17
54°
32°
18
65°
30°
19
64°
27°
20
69°
33°
21
72°
34°
22
73°
31°
23
82°
34°
24
80°
35°
25
86°
39°
26
51°
41°
27
76°
46°
28
76°
46°
29
69°
38°
30
60°
36°
31
63°
32°
1
71°
37°
2
77°
42°
3
76°
38°
4
77°
43°
5
70°
39°
6
69°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sumpter
Sumpter's May 2026 forecast shows daily high temperatures ranging from 51° to 77°, with overnight lows between 32° and 46°. The average high for May is 70° with an average low of 40°. 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 Sumpter. See also: June | July | August.
