S
M
T
W
T
F
S
26
89°
77°
27
89°
71°
28
86°
73°
29
84°
74°
30
87°
73°
1
84°
70°
2
87°
78°
3
89°
77°
4
88°
78°
5
90°
78°
6
91°
77°
7
91°
78°
8
92°
78°
9
92°
77°
10
91°
79°
11
92°
79°
12
93°
78°
13
93°
79°
14
92°
79°
15
93°
78°
16
89°
76°
17
86°
76°
18
87°
78°
19
88°
79°
20
91°
80°
21
93°
80°
22
94°
79°
23
94°
80°
24
93°
80°
25
93°
79°
26
90°
80°
27
90°
80°
28
91°
79°
29
88°
79°
30
89°
80°
31
88°
80°
1
93°
78°
2
92°
77°
3
92°
78°
4
94°
78°
5
93°
79°
6
92°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hanoi
Hanoi's May 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 70° and 80°. The average high for May is 90° with an average low of 78°. 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.
