S
M
T
W
T
F
S
28
64°
54°
29
61°
53°
30
64°
50°
1
62°
48°
2
63°
49°
3
60°
49°
4
61°
50°
5
62°
49°
6
63°
50°
7
64°
50°
8
64°
54°
9
65°
54°
10
61°
53°
11
65°
52°
12
66°
54°
13
64°
52°
14
63°
53°
15
64°
55°
16
66°
56°
17
65°
55°
18
65°
55°
19
64°
54°
20
63°
52°
21
62°
53°
22
65°
55°
23
65°
52°
24
64°
56°
25
66°
55°
26
64°
55°
27
63°
53°
28
63°
54°
29
61°
56°
30
61°
56°
31
65°
55°
1
62°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Llanberis
Llanberis's July 2026 forecast shows daily high temperatures ranging from 60° to 66°, with overnight lows between 48° and 56°. The average high for July is 63° with an average low of 53°. 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 Llanberis. See also: August | September | October.
