S
M
T
W
T
F
S
26
91°
81°
27
90°
79°
28
91°
79°
29
93°
81°
30
95°
81°
1
86°
77°
2
95°
79°
3
91°
81°
4
88°
79°
5
93°
75°
6
91°
77°
7
91°
79°
8
86°
77°
9
90°
77°
10
91°
81°
11
91°
79°
12
90°
77°
13
90°
77°
14
93°
81°
15
84°
77°
16
82°
77°
17
91°
79°
18
88°
79°
19
N/A
20
92°
79°
21
89°
79°
22
91°
79°
23
90°
79°
24
90°
79°
25
91°
81°
26
93°
81°
27
88°
78°
28
89°
79°
29
91°
81°
30
92°
80°
31
92°
80°
1
93°
82°
2
87°
82°
3
87°
81°
4
87°
80°
5
87°
82°
6
86°
81°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Singapore
Singapore's May 2026 forecast shows daily high temperatures ranging from 86° to 93°, with overnight lows between 78° and 82°. The average high for May is 90° with an average low of 80°. 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 Singapore. See also: June | July | August.
