Haikou Weather

Haikou is on the northern edge of the torrid zone, and is part of the Intertropical Convergence Zone. April to October is the active period for tropical storms and typhoons, most of which occur between August and September. May to October is the rainy season with the heaviest rainfall occurring in September. With its location 378 km , just above a humid subtropical climate (Köppen Cwa).

Average Temperature
Jan
73 °F
23 °C
Feb
81 °F
27 °C
Mar
84 °F
29 °C
Apr
91 °F
33 °C
May
88 °F
31 °C
Jun
93 °F
34 °C
Jul
91 °F
33 °C
Aug
90 °F
32 °C
Sep
86 °F
30 °C
Oct
86 °F
30 °C
Nov
79 °F
26 °C
Dec
73 °F
23 °C
Humidity
Jan
71%
Feb
71%
Mar
72%
Apr
68%
May
76%
Jun
69%
Jul
70%
Aug
76%
Sep
74%
Oct
69%
Nov
69%
Dec
70%
Rain
Jan
9mm
Feb
13mm
Mar
29mm
Apr
37mm
May
115mm
Jun
170mm
Jul
82mm
Aug
193mm
Sep
77mm
Oct
47mm
Nov
14mm
Dec
8mm
Clouds
Jan
44%
Feb
27%
Mar
42%
Apr
33%
May
86%
Jun
85%
Jul
89%
Aug
87%
Sep
55%
Oct
25%
Nov
37%
Dec
46%
Air quality US AQI
Jan
79
Feb
78
Mar
70
Apr
69
May
61
Jun
54
Jul
49
Aug
53
Sep
61
Oct
74
Nov
81
Dec
83
Sun
Jan
7UVI
Feb
9UVI
Mar
10UVI
Apr
12UVI
May
6UVI
Jun
6UVI
Jul
6UVI
Aug
6UVI
Sep
10UVI
Oct
9UVI
Nov
7UVI
Dec
6UVI