S
M
T
W
T
F
S
26
73°
62°
27
75°
64°
28
76°
65°
29
74°
67°
30
75°
66°
1
75°
69°
2
75°
68°
3
76°
70°
4
77°
69°
5
78°
70°
6
75°
70°
7
75°
69°
8
76°
58°
9
73°
62°
10
74°
65°
11
74°
66°
12
75°
65°
13
73°
64°
14
74°
67°
15
74°
64°
16
74°
65°
17
76°
68°
18
76°
68°
19
77°
64°
20
74°
59°
21
N/A
22
75°
60°
23
76°
61°
24
75°
62°
25
75°
64°
26
77°
58°
27
75°
55°
28
73°
55°
29
72°
54°
30
74°
55°
31
72°
57°
1
72°
57°
2
73°
56°
3
69°
57°
4
70°
56°
5
69°
55°
6
69°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Coolum Beach
Coolum Beach's May 2026 forecast shows daily high temperatures ranging from 69° to 77°, with overnight lows between 54° and 64°. The average high for May is 73° with an average low of 57°. 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 Coolum Beach. See also: June | July | August.
