S
M
T
W
T
F
S
26
82°
59°
27
74°
53°
28
72°
47°
29
83°
57°
30
78°
63°
1
70°
59°
2
61°
49°
3
72°
47°
4
79°
52°
5
81°
59°
6
83°
68°
7
80°
55°
8
73°
53°
9
78°
56°
10
78°
57°
11
81°
61°
12
77°
56°
13
78°
58°
14
80°
60°
15
85°
60°
16
82°
67°
17
81°
58°
18
82°
62°
19
84°
62°
20
87°
63°
21
85°
62°
22
83°
56°
23
80°
56°
24
80°
57°
25
82°
60°
26
81°
58°
27
81°
58°
28
82°
59°
29
83°
60°
30
82°
61°
31
83°
63°
1
84°
66°
2
85°
65°
3
83°
66°
4
84°
66°
5
86°
67°
6
86°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Graniteville
Graniteville's May 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 47° and 68°. The average high for May is 81° with an average low of 60°. 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 Graniteville. See also: June | July | August.
