Measurements:
°C
°F
CURRENT WEATHER
12:00
Haikou
94°F
S 6 mph
Feels like: 102°F
Precip: 0%
World Resorts China Haikou Weather

7 Day Weather Forecast

05.31
sun
DAY
94°F
S 6 mph
precip
0%
NIGHT
84°F
NW 9 mph
precip
0%
06.01
mon
DAY
94°F
S 5 mph
precip
0%
NIGHT
86°F
N 7 mph
precip
0%
06.02
tue
DAY
92°F
SE 6 mph
precip
0%
NIGHT
86°F
N 11 mph
precip
0%
06.03
wed
DAY
94°F
SE 6 mph
precip
0%
NIGHT
88°F
NW 12 mph
precip
0%
06.04
thu
DAY
98°F
SE 6 mph
precip
0%
NIGHT
88°F
NW 5 mph
precip
0%
06.05
fri
DAY
100°F
S 4 mph
precip
0%
NIGHT
88°F
NW 7 mph
precip
100%
06.06
sat
DAY
98°F
SE 6 mph
precip
0%
NIGHT
90°F
NW 4 mph
precip
26%

Haikou Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Haikou was 27.6°F. The maximum and minimum values were 25.3°F and 30.5°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