Measurements:
°C
°F
CURRENT WEATHER
11:33
Haikou
86°F
SW 6 mph
Feels like: 94°F
Precip: 65%
World Resorts China Haikou Weather

7 Day Weather Forecast

05.11
mon
DAY
86°F
SW 6 mph
precip
65%
NIGHT
80°F
NW 6 mph
precip
0%
05.12
tue
DAY
92°F
S 2 mph
precip
79%
NIGHT
82°F
NW 10 mph
precip
0%
05.13
wed
DAY
94°F
NE 3 mph
precip
0%
NIGHT
82°F
NW 7 mph
precip
0%
05.14
thu
DAY
94°F
E 3 mph
precip
100%
NIGHT
80°F
N 9 mph
precip
100%
05.15
fri
DAY
88°F
NW 9 mph
precip
100%
NIGHT
80°F
NW 10 mph
precip
0%
05.16
sat
DAY
82°F
NW 9 mph
precip
100%
NIGHT
80°F
NW 12 mph
precip
100%
05.17
sun
DAY
86°F
NW 7 mph
precip
100%
NIGHT
80°F
NW 11 mph
precip
74%

Haikou Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Haikou was 27.0°F. The maximum and minimum values were 25.4°F and 28.1°F respectively.

Haikou on the Weather Map

Best Time to Visit Haikou
The most sunny months:
June 15 days
May 14 days
April 13 days
The most warm months:
June 95.6 °F
July 95.5 °F
August 94.4 °F
Warmest sea temperature:
August 89.4 °F
July 89.4 °F
September 88.1 °F
The most cold months:
January 72.0 °F
December 73.6 °F
February 75.4 °F
The most rainy months:
August 9 days
July 8 days
June 8 days
The most windy months:
December 12 mph
October 12 mph
November 12 mph
more details