S
M
T
W
T
F
S
31
63°
57°
1
61°
57°
2
64°
55°
3
61°
54°
4
61°
51°
5
59°
54°
6
60°
54°
7
60°
56°
8
59°
53°
9
60°
55°
10
61°
54°
11
62°
54°
12
65°
57°
13
64°
56°
14
66°
57°
15
62°
48°
16
63°
53°
17
63°
51°
18
62°
49°
19
62°
50°
20
63°
53°
21
64°
54°
22
63°
54°
23
63°
53°
24
64°
54°
25
64°
51°
26
63°
52°
27
64°
50°
28
63°
51°
29
64°
55°
30
65°
54°
1
65°
51°
2
66°
55°
3
65°
55°
4
66°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Swansea
Swansea's June 2026 forecast shows daily high temperatures ranging from 59° to 66°, with overnight lows between 48° and 57°. The average high for June 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 June weather will actually feel in Swansea. See also: July | August | September.
