S
M
T
W
T
F
S
26
89°
65°
27
82°
65°
28
87°
64°
29
91°
63°
30
90°
70°
1
92°
71°
2
86°
64°
3
78°
60°
4
85°
60°
5
88°
60°
6
93°
63°
7
95°
69°
8
94°
72°
9
92°
71°
10
93°
72°
11
93°
73°
12
82°
71°
13
85°
67°
14
88°
62°
15
91°
69°
16
93°
71°
17
90°
70°
18
91°
68°
19
92°
66°
20
90°
67°
21
91°
69°
22
90°
68°
23
92°
68°
24
93°
67°
25
90°
66°
26
89°
65°
27
90°
67°
28
89°
68°
29
91°
68°
30
91°
67°
31
90°
68°
1
90°
68°
2
89°
67°
3
90°
69°
4
90°
69°
5
88°
68°
6
88°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sumterville
Sumterville's May 2026 forecast shows daily high temperatures ranging from 85° to 93°, with overnight lows between 62° and 71°. The average high for May is 90° with an average low of 68°. 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 Sumterville. See also: June | July | August.
