S
M
T
W
T
F
S
28
68°
59°
29
67°
57°
30
69°
58°
1
69°
57°
2
73°
57°
3
72°
60°
4
67°
59°
5
69°
59°
6
68°
59°
7
72°
60°
8
76°
61°
9
77°
61°
10
79°
64°
11
81°
63°
12
83°
65°
13
82°
63°
14
80°
63°
15
81°
64°
16
72°
57°
17
73°
57°
18
73°
56°
19
72°
57°
20
68°
57°
21
68°
56°
22
72°
57°
23
73°
58°
24
74°
58°
25
75°
59°
26
75°
58°
27
73°
57°
28
72°
57°
29
68°
54°
30
69°
57°
31
69°
58°
1
72°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Llantwit Major
Llantwit Major's July 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 54° and 65°. The average high for July is 74° 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 Llantwit Major. See also: August | September | October.
