S
M
T
W
T
F
S
27
91°
76°
28
95°
76°
29
87°
74°
30
85°
74°
1
82°
71°
2
92°
70°
3
90°
76°
4
94°
77°
5
96°
78°
6
94°
79°
7
94°
79°
8
99°
81°
9
100°
81°
10
91°
74°
11
84°
70°
12
88°
68°
13
88°
70°
14
90°
76°
15
89°
77°
16
90°
78°
17
90°
79°
18
88°
79°
19
90°
78°
20
93°
79°
21
93°
80°
22
92°
79°
23
90°
79°
24
88°
76°
25
86°
73°
26
87°
72°
27
83°
72°
28
90°
74°
29
90°
76°
30
87°
73°
31
98°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hanoi
Hanoi's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Hanoi. See also: June | July | August.