Current Sea Water Temperature:
+89.4°F
| Maximum Sea Water Temperature in September: | 91.8°F |
| Minimum Sea Water Temperature in September: | 84.2°F |
| Average water temperature in September: | 88.0°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| September 29 | 89.4°F | September 24 | 87.4°F |
| September 28 | 89.2°F | September 23 | 87.6°F |
| September 27 | 88.6°F | September 22 | 88.0°F |
| September 26 | 88.0°F | September 21 | 87.0°F |
| September 25 | 88.0°F | September 20 | 86.6°F |
When is the Warmest Sea for Haikou?
According to our data for the last three years for Haikou the highest average sea water temperature was in July, August and June.
Average Water Temperature by Month, °F
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Haikou was 89.8°F. The maximum and minimum values were 88.6°F and 91.0°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2026 for Haikou was 88.9°F. The maximum and minimum values were 86.8°F and 90.8°F respectively.
Sea Water Temperature in June
The average sea surface temperature in June 2026 for Haikou was 89.5°F. The maximum and minimum values were 86.8°F and 91.4°F respectively.
China Resorts:
NAME
F°
| Beidaihe |  |
+62 |
| Beijing |  |
+76 |
| Dadunhai | |
+84 |
| Dalian | |
+72 |
| Guangzhou |  |
+96 |
| Hainan |  |
+84 |
| Hong Kong | |
+84 |
| Macau | |
+88 |
| Quingdao | |
+76 |
| Sanya | |
+84 |
| Shanghai | |
+74 |
| Shenzhen | |
+88 |
| Weihai | |
+70 |
| Xiamen | |
+86 |
| Yalong Bay | |
+84 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Haikou
Local time: 19:44
29 sep, tuesday
| 2100 |  |
88°F | NW 5 mph |
30 sep, wednesday
| 0000 |  |
84°F | N 7 mph |
| 0300 | |
84°F | N 6 mph |
| 0600 | |
82°F | N 5 mph |
| 0900 |  |
88°F | NW 4 mph |
| 1200 | |
96°F | SW 4 mph |
| 1500 |  |
92°F | SW 10 mph |
| 1800 |  |
92°F | W 6 mph |