S
M
T
W
T
F
S
26
91°
75°
27
90°
76°
28
92°
71°
29
94°
72°
30
91°
76°
1
95°
75°
2
91°
74°
3
94°
74°
4
89°
75°
5
93°
75°
6
91°
75°
7
91°
75°
8
90°
74°
9
92°
75°
10
92°
76°
11
92°
76°
12
93°
75°
13
91°
76°
14
93°
75°
15
92°
74°
16
91°
74°
17
91°
75°
18
90°
76°
19
93°
74°
20
92°
75°
21
92°
75°
22
92°
75°
23
93°
74°
24
93°
75°
25
94°
76°
26
94°
75°
27
93°
76°
28
94°
75°
29
94°
76°
30
93°
75°
31
93°
75°
1
92°
76°
2
91°
75°
3
93°
74°
4
92°
75°
5
92°
74°
6
93°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sibu
Sibu's May 2026 forecast shows daily high temperatures ranging from 90° to 94°, with overnight lows between 74° and 76°. The average high for May is 92° with an average low of 75°. 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 Sibu. See also: June | July | August.
