S
M
T
W
T
F
S
26
74°
53°
27
71°
52°
28
72°
46°
29
83°
56°
30
74°
57°
1
68°
59°
2
62°
47°
3
70°
39°
4
80°
46°
5
82°
48°
6
83°
59°
7
76°
55°
8
74°
57°
9
78°
62°
10
80°
63°
11
78°
55°
12
74°
51°
13
79°
56°
14
83°
57°
15
84°
59°
16
84°
61°
17
84°
62°
18
86°
61°
19
87°
63°
20
86°
59°
21
83°
61°
22
83°
60°
23
79°
62°
24
79°
62°
25
81°
61°
26
81°
63°
27
82°
63°
28
84°
62°
29
86°
64°
30
82°
65°
31
80°
65°
1
82°
64°
2
84°
66°
3
86°
65°
4
83°
66°
5
83°
66°
6
84°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Timmonsville
Timmonsville's May 2026 forecast shows daily high temperatures ranging from 74° to 87°, with overnight lows between 51° and 67°. The average high for May is 82° with an average low of 61°. 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 Timmonsville. See also: June | July | August.