S
M
T
W
T
F
S
31
63°
52°
1
61°
51°
2
58°
49°
3
58°
47°
4
57°
48°
5
56°
50°
6
56°
48°
7
57°
47°
8
57°
50°
9
61°
50°
10
61°
51°
11
60°
51°
12
57°
50°
13
57°
51°
14
60°
51°
15
61°
52°
16
61°
51°
17
60°
51°
18
58°
50°
19
58°
51°
20
61°
51°
21
59°
52°
22
60°
52°
23
60°
51°
24
61°
52°
25
64°
54°
26
65°
54°
27
65°
53°
28
66°
55°
29
66°
55°
30
65°
54°
1
66°
55°
2
65°
54°
3
64°
54°
4
63°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Llanberis
Llanberis's June 2026 forecast shows daily high temperatures ranging from 56° to 66°, with overnight lows between 47° and 55°. The average high for June is 61° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Llanberis. See also: July | August | September.
