S
M
T
W
T
F
S
26
79°
47°
27
78°
40°
28
79°
41°
29
78°
50°
30
77°
47°
1
79°
52°
2
78°
59°
3
72°
51°
4
67°
48°
5
66°
44°
6
65°
44°
7
57°
39°
8
64°
45°
9
69°
37°
10
72°
36°
11
72°
38°
12
71°
49°
13
70°
47°
14
70°
44°
15
71°
48°
16
73°
54°
17
66°
57°
18
65°
52°
19
67°
50°
20
64°
41°
21
68°
36°
22
68°
34°
23
65°
45°
24
65°
49°
25
69°
52°
26
65°
51°
27
66°
50°
28
69°
40°
29
N/A
30
63°
45°
31
60°
40°
1
57°
53°
2
64°
52°
3
61°
47°
4
64°
48°
5
59°
44°
6
60°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Swan Hill
Swan Hill's May 2026 forecast shows daily high temperatures ranging from 57° to 64°, with overnight lows between 40° and 53°. The average high for May is 61° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Swan Hill. See also: June | July | August.
