S
M
T
W
T
F
S
1
92°
74°
2
91°
75°
3
80°
66°
4
67°
65°
5
70°
65°
6
74°
66°
7
78°
65°
8
76°
67°
9
74°
64°
10
71°
62°
11
71°
62°
12
71°
65°
13
74°
64°
14
77°
64°
15
79°
66°
16
78°
68°
17
82°
68°
18
80°
68°
19
82°
68°
20
83°
69°
21
82°
71°
22
85°
70°
23
88°
70°
24
86°
71°
25
89°
72°
26
88°
73°
27
89°
73°
28
89°
74°
29
91°
75°
30
94°
74°
31
95°
75°
1
80°
73°
2
91°
74°
3
94°
76°
4
87°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Haikou
Haikou's March 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for March 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 March weather will actually feel in Haikou. See also: April | May | June.
