Sea Temperature

Haikou Sea Temperature

(Today) Dec 2018

25.6°C / 78°F

Current weather

21°C / 70°F
(overcast clouds)

Partly cloudy

9 mph



The measurements for the water temperature in Haikou, Hainan are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

Monthly average max / min water temperatures

The graph below shows the range of monthly Haikou water temperature derived from many years of historical sea surface temperature data.

Maximum and minimum monthly sea temperatures in Haikou
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 18.8 17.6 17.5 19.1 25.1 27.1 27.9 27.7 26.6 25.2 23.7 19.2
Max °C 21.6 21.6 22.8 27.2 29.8 30.3 31.1 30 30.2 28.4 27 24.7
Min °F 67 65.3 65.6 69.6 79 82.1 83.5 82.7 81.3 78.6 75.9 68.7
Max °F 69.8 69.3 70.9 77.7 83.7 85.3 86.7 85 84.9 81.8 79.2 74.2

7 day tide forecast for Haikou

  • Low 06:16am
  • High 12:31pm
  • Low 05:25pm
  • High 11:44pm
  • Low 06:49am
  • High 01:05pm
  • Low 05:56pm
  • High 12:16am
  • Low 07:24am
  • High 01:41pm
  • Low 06:27pm
  • High 12:49am
  • Low 08:00am
  • High 02:19pm
  • Low 07:00pm
  • High 01:23am
  • Low 08:38am
  • High 03:02pm
  • Low 07:38pm
  • High 02:02am
  • Low 09:20am
  • High 03:52pm
  • Low 08:28pm
  • High 02:47am
  • Low 10:08am
  • High 04:50pm
  • Low 09:43pm

*These tide times are estimates based on the nearest port (Naozhou Dao, China) and may differ by up to half and hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.

Average December sea temperatures

  • Max: 24.7°C / 76.4°F
  • Avg: 21.9°C / 71.4°F
  • Min: 19.2°C / 66.5°F
Haikou average sea temperature chart

These average ocean temperatures for Haikou are calculated from several years of archived data.

Map showing location of Haikou (20.045830, 110.341670)

Locations nearby


Whilst sea temperatures for Haikou are as accurate as current data allows, there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.

Alternate names for Haikou
HAK, Ha k'uo-shih, Ha k’uo-shih, Hai Khau, Hai-k'ou-shih, Hai-k'ou-so-ch'eng, Hai-k’ou-shih, Hai-k’ou-so-ch’eng, Haik-how, Haikou, Haikou Shi, Haikow, Heihow, Hoi Hao, Hoihau, Hoihow, Hải Khẩu, Khajkou, hai kou, hai kou shi, Хайкоу, خەيكو شەھىر, 海口, 海口市

Haikou average sea temperature chart