S
M
T
W
T
F
S
26
85°
77°
27
85°
76°
28
87°
74°
29
85°
74°
30
87°
75°
1
85°
76°
2
90°
81°
3
89°
79°
4
90°
80°
5
86°
78°
6
89°
79°
7
86°
74°
8
88°
78°
9
87°
79°
10
88°
35°
11
91°
79°
12
93°
80°
13
90°
78°
14
92°
77°
15
89°
78°
16
N/A
17
89°
78°
18
87°
77°
19
88°
77°
20
88°
77°
21
89°
76°
22
90°
77°
23
90°
72°
24
90°
71°
25
89°
72°
26
87°
74°
27
88°
73°
28
91°
72°
29
86°
74°
30
86°
74°
31
87°
73°
1
86°
74°
2
87°
74°
3
87°
73°
4
86°
74°
5
86°
74°
6
87°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Rabaul
Rabaul's May 2026 forecast shows daily high temperatures ranging from 86° to 91°, with overnight lows between 71° and 78°. The average high for May is 88° with an average low of 74°. 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 Rabaul. See also: June | July | August.
