S
M
T
W
T
F
S
31
69°
37°
1
61°
43°
2
73°
41°
3
80°
47°
4
84°
52°
5
85°
54°
6
84°
58°
7
83°
52°
8
75°
53°
9
85°
58°
10
82°
64°
11
83°
65°
12
85°
63°
13
83°
64°
14
85°
62°
15
79°
63°
16
77°
62°
17
79°
62°
18
81°
61°
19
78°
62°
20
80°
59°
21
78°
61°
22
78°
62°
23
76°
59°
24
74°
58°
25
75°
61°
26
78°
59°
27
77°
64°
28
81°
63°
29
77°
60°
30
76°
59°
1
77°
62°
2
79°
62°
3
78°
61°
4
78°
64°
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 74° to 85°, with overnight lows between 52° and 65°. The average high for June is 79° with an average low of 61°. 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.
