S
M
T
W
T
F
S
28
100°
75°
29
100°
71°
30
98°
75°
1
100°
73°
2
102°
79°
3
107°
81°
4
107°
81°
5
109°
87°
6
111°
87°
7
113°
90°
8
113°
91°
9
115°
82°
10
113°
79°
11
113°
78°
12
110°
79°
13
110°
78°
14
107°
78°
15
109°
78°
16
112°
81°
17
102°
78°
18
108°
81°
19
99°
82°
20
102°
81°
21
106°
82°
22
105°
79°
23
112°
79°
24
102°
72°
25
103°
73°
26
108°
78°
27
108°
78°
28
106°
77°
29
110°
79°
30
110°
79°
31
109°
78°
1
108°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Swansea
Swansea's July 2026 forecast shows daily high temperatures ranging from 99° to 115°, with overnight lows between 72° and 82°. The average high for July is 108° with an average low of 79°. 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 Swansea. See also: August | September | October.
