Current sea water temperature:
+68.5°F
| Minimum sea water temperature in December: | 74.7°F |
| Maximum sea water temperature in December: | 61.9°F |
| Average sea water temperature in December: | 68.8°F |
| more information | |
14 days
forecast
forecast
| Hong Kong |
monthly
weather
weather
| Hong Kong |
Sea water temperature for the last 10 days:
| December 18 | 68.5°F | December 13 | 70.5°F |
| December 17 | 68.2°F | December 12 | 70.2°F |
| December 16 | 68.9°F | December 11 | 70.7°F |
| December 15 | 69.8°F | December 10 | 70.9°F |
| December 14 | 70.3°F | December 9 | 69.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Hong Kong?
Based on the data about daily sea water temperature for the last three years the warmest sea in Hong Kong was noticed in July, August and September.
Monthly Sea Temperatures in Hong Kong, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 84.6°F. The highest and lowest sea temperatures during the month were 85.8°F and 83.7°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 83.8°F. The highest and lowest sea temperatures during the month were 84.6°F and 83.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.5°F. The highest and lowest sea temperatures during the month were 86.0°F and 82.0°F.
current
weather
weather
| Hong Kong |
weather in
December
December
| Hong Kong |
Best time for vacation in Hong Kong
Hong Kong on a weather map
Places in China:
Name
°F
24 Hours Forecast
Hong Kong
Local time: 09:18
December 19, friday
1200
70°F
W
11 mph
11 mph
1500
70°F
W
11 mph
11 mph
1800
68°F
W
11 mph
11 mph
2100
68°F
W
12 mph
12 mph
December 20, saturday
0000
68°F
W
14 mph
14 mph
0300
68°F
SW
15 mph
15 mph
0600
68°F
SW
14 mph
14 mph
0900
70°F
SW
11 mph
11 mph
