Current sea water temperature:
+68.2°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 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 |
| December 13 | 70.5°F | December 8 | 70.2°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: 22:50
December 18, thursday
0000
68°F
SW
12 mph
12 mph
0300
66°F
W
16 mph
16 mph
0600
66°F
W
17 mph
17 mph
0900
66°F
W
17 mph
17 mph
1200
68°F
W
16 mph
16 mph
1500
68°F
W
14 mph
14 mph
1800
68°F
W
14 mph
14 mph
2100
66°F
W
15 mph
15 mph
