S
M
T
W
T
F
S
28
75°
59°
29
73°
54°
30
73°
59°
1
77°
57°
2
79°
61°
3
77°
55°
4
82°
57°
5
82°
59°
6
88°
61°
7
91°
67°
8
92°
67°
9
93°
68°
10
89°
66°
11
88°
62°
12
84°
61°
13
80°
61°
14
81°
62°
15
82°
63°
16
84°
64°
17
83°
62°
18
78°
59°
19
76°
60°
20
72°
54°
21
74°
57°
22
74°
53°
23
73°
54°
24
75°
57°
25
75°
55°
26
74°
55°
27
74°
53°
28
75°
57°
29
74°
57°
30
72°
55°
31
73°
53°
1
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in St. Helier
St. Helier's July 2026 forecast shows daily high temperatures ranging from 72° to 93°, with overnight lows between 52° and 68°. The average high for July is 79° with an average low of 59°. 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 St. Helier. See also: August | September | October.
