S
M
T
W
T
F
S
26
80°
59°
27
69°
51°
28
72°
47°
29
82°
58°
30
77°
65°
1
67°
60°
2
63°
50°
3
72°
44°
4
80°
47°
5
83°
49°
6
88°
56°
7
78°
66°
8
73°
56°
9
77°
58°
10
87°
62°
11
87°
62°
12
74°
57°
13
78°
57°
14
82°
58°
15
79°
51°
16
87°
52°
17
91°
63°
18
91°
65°
19
92°
61°
20
92°
62°
21
93°
66°
22
92°
69°
23
85°
68°
24
81°
68°
25
86°
73°
26
89°
72°
27
85°
69°
28
89°
68°
29
86°
69°
30
77°
64°
31
78°
58°
1
76°
60°
2
79°
62°
3
81°
63°
4
80°
61°
5
82°
63°
6
83°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Edisto
Edisto's May 2026 forecast shows daily high temperatures ranging from 76° to 89°, with overnight lows between 58° and 69°. The average high for May is 81° with an average low of 64°. 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 Edisto. See also: June | July | August.