Measurements:
°C
°F
CURRENT WEATHER
21:32
Haikou
88°F
NW 5 mph
Feels like: 98°F
Precip: 8%
World Resorts China Haikou Weather

7 Day Weather Forecast

09.29
tue
DAY
98°F
S 1 mph
precip
2%
NIGHT
84°F
N 7 mph
precip
15%
09.30
wed
DAY
96°F
SW 4 mph
precip
3%
NIGHT
84°F
NW 9 mph
precip
20%
10.01
thu
DAY
96°F
N 4 mph
precip
3%
NIGHT
84°F
NW 9 mph
precip
22%
10.02
fri
DAY
94°F
NW 5 mph
precip
14%
NIGHT
82°F
NW 7 mph
precip
15%
10.03
sat
DAY
92°F
W 7 mph
precip
17%
NIGHT
82°F
NW 7 mph
precip
12%
10.04
sun
DAY
92°F
W 7 mph
precip
12%
NIGHT
82°F
NW 6 mph
precip
32%
10.05
mon
DAY
88°F
SW 11 mph
precip
13%
NIGHT
82°F
SW 9 mph
precip
37%

Haikou Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Haikou was 28.6°F. The maximum and minimum values were 27.9°F and 29.7°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