Current Sea Water Temperature:
+72.0°F
| Maximum Sea Water Temperature in December: | 77.4°F |
| Minimum Sea Water Temperature in December: | 63.2°F |
| Average water temperature in December: | 70.9°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| December 15 | 72.0°F | December 10 | 73.2°F |
| December 14 | 72.6°F | December 09 | 72.0°F |
| December 13 | 72.8°F | December 08 | 72.4°F |
| December 12 | 72.4°F | December 07 | 71.8°F |
| December 11 | 73.0°F | December 06 | 72.6°F |
When is the Warmest Sea for Hong Kong?
According to our data for the last three years for Hong Kong the highest average sea water temperature was in July, August and September.
Average Water Temperature by Month, °F
Sea Water Temperature in July
The average sea surface temperature in July 2025 for Hong Kong was 88.4°F. The maximum and minimum values were 87.4°F and 89.8°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Hong Kong was 87.6°F. The maximum and minimum values were 86.8°F and 88.4°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Hong Kong was 88.3°F. The maximum and minimum values were 85.6°F and 90.0°F respectively.
China Resorts:
NAME
F°
| Beidaihe |  |
+26 |
| Beijing |  |
+28 |
| Dadunhai |  |
+74 |
| Dalian | |
+34 |
| Guangzhou |  |
+66 |
| Haikou | |
+72 |
| Hainan | |
+66 |
| Hangzhou | |
+44 |
| Hong Kong | |
+66 |
| Macau | |
+68 |
| Quingdao |  |
+40 |
| Sanya | |
+74 |
| Shanghai | |
+48 |
| Shenzhen | |
+62 |
| Yalong Bay | |
+74 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Hong Kong
Local time: 07:16
16 dec, tuesday
| 0900 |  |
66°F | SW 11 mph |
| 1200 | |
68°F | W 8 mph |
| 1500 | |
70°F | W 8 mph |
| 1800 |  |
70°F | W 8 mph |
| 2100 | |
70°F | W 7 mph |
17 dec, wednesday
| 0000 | |
70°F | SW 7 mph |
| 0300 | |
68°F | SW 6 mph |
| 0600 | |
68°F | SW 5 mph |