S
M
T
W
T
F
S
31
67°
61°
1
67°
63°
2
69°
60°
3
64°
51°
4
65°
48°
5
65°
57°
6
62°
56°
7
N/A
8
64°
57°
9
62°
48°
10
60°
46°
11
60°
47°
12
61°
52°
13
60°
49°
14
63°
49°
15
63°
50°
16
64°
52°
17
63°
52°
18
65°
54°
19
63°
53°
20
60°
51°
21
59°
50°
22
58°
50°
23
57°
48°
24
57°
45°
25
58°
47°
26
57°
45°
27
57°
44°
28
58°
44°
29
57°
49°
30
62°
51°
1
60°
51°
2
62°
50°
3
61°
50°
4
62°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in South Island
South Island's June 2026 forecast shows daily high temperatures ranging from 57° to 65°, with overnight lows between 44° and 57°. The average high for June is 60° with an average low of 49°. 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 South Island. See also: July | August | September.