Measurements:
°C
°F
CURRENT WEATHER
14:39
Haikou
92°F
SW 13 mph
Feels like: 100°F
Precip: 4%
World Resorts China Haikou Weather

7 Day Weather Forecast

09.09
wed
DAY
90°F
SW 9 mph
precip
16%
NIGHT
84°F
W 8 mph
precip
10%
09.10
thu
DAY
90°F
SW 16 mph
precip
19%
NIGHT
80°F
W 9 mph
precip
60%
09.11
fri
DAY
86°F
SW 21 mph
precip
11%
NIGHT
82°F
SW 6 mph
precip
30%
09.12
sat
DAY
88°F
SW 14 mph
precip
6%
NIGHT
82°F
W 20 mph
precip
78%
09.13
sun
DAY
84°F
W 20 mph
precip
73%
NIGHT
82°F
W 14 mph
precip
76%
09.14
mon
DAY
82°F
W 11 mph
precip
75%
NIGHT
80°F
NW 9 mph
precip
40%
09.15
tue
DAY
88°F
W 4 mph
precip
25%
NIGHT
80°F
NW 6 mph
precip
69%

Haikou Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Haikou was 29.1°F. The maximum and minimum values were 28.1°F and 29.5°F respectively.

Haikou on the Weather Map

Best Time to Visit Haikou
The most sunny months:
June 14 days
May 14 days
April 13 days
The most warm months:
June 95.6 °F
July 95.2 °F
August 94.1 °F
Warmest sea temperature:
July 89.4 °F
August 89.4 °F
June 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
October 8 days
The most windy months:
December 12 mph
October 12 mph
November 12 mph
more details