S
M
T
W
T
F
S
28
99°
78°
29
96°
80°
30
92°
80°
1
90°
77°
2
93°
75°
3
92°
76°
4
94°
76°
5
93°
77°
6
92°
79°
7
92°
78°
8
96°
79°
9
94°
79°
10
95°
79°
11
95°
76°
12
89°
75°
13
86°
72°
14
88°
73°
15
91°
74°
16
92°
75°
17
90°
76°
18
92°
86°
19
88°
75°
20
94°
78°
21
93°
78°
22
93°
77°
23
92°
76°
24
87°
75°
25
87°
75°
26
88°
76°
27
88°
77°
28
87°
77°
29
87°
76°
30
88°
77°
31
88°
78°
1
90°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Saint Helena Island
Saint Helena Island's July 2026 forecast shows daily high temperatures ranging from 86° to 96°, with overnight lows between 72° and 86°. The average high for July is 91° with an average low of 77°. 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 Saint Helena Island. See also: August | September | October.
