S
M
T
W
T
F
S
28
91°
70°
29
91°
71°
30
90°
71°
1
89°
70°
2
91°
71°
3
91°
72°
4
90°
72°
5
91°
71°
6
86°
69°
7
87°
67°
8
87°
67°
9
91°
70°
10
92°
72°
11
91°
72°
12
86°
71°
13
87°
72°
14
87°
72°
15
88°
71°
16
89°
72°
17
87°
72°
18
88°
71°
19
87°
70°
20
91°
70°
21
90°
69°
22
88°
69°
23
90°
72°
24
89°
68°
25
90°
69°
26
88°
68°
27
88°
68°
28
89°
69°
29
88°
70°
30
88°
70°
31
89°
68°
1
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Sumter
Sumter's July 2026 forecast shows daily high temperatures ranging from 86° to 92°, with overnight lows between 67° and 72°. The average high for July is 89° with an average low of 70°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Sumter. See also: August | September | October.
