Average sea water temperature in December:
+77.1°F
| Minimum sea water temperature in December: | 81.1°F |
| Maximum sea water temperature in December: | 72.3°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 77.3°F. The highest and lowest sea temperatures during the month were 78.4°F and 76.6°F.
Monthly sea water temperature in Sanya, °F
Which China resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Sanya | 77.3°F | 77.0°F |
| Dadunhai | 77.3°F | 77.0°F |
| Yalong Bay | 77.2°F | 76.5°F |
| Tainan | 76.5°F | 74.9°F |
| Hainan | 72.9°F | 72.1°F |
| Haikou | 72.2°F | 71.3°F |
| Taichung | 70.1°F | 69.7°F |
| Taipei | 70.0°F | 69.4°F |
| Shenzhen | 69.9°F | 68.3°F |
| Hong Kong | 69.8°F | 68.9°F |
| Macau | 68.8°F | 66.7°F |
| Zhuhai | 68.7°F | 66.3°F |
| Guangzhou | 68.5°F | 67.8°F |
| Beihai | 68.4°F | 67.1°F |
| Xiamen | 66.0°F | 64.4°F |
| Ningbo | 57.7°F | 55.8°F |
| Nantong | 57.5°F | 56.2°F |
| Hangzhou | 56.7°F | 54.4°F |
| Shanghai | 56.3°F | 54.1°F |
| Suzhou | 50.4°F | 46.6°F |
Best time for vacation in Sanya
Sanya on a weather map
Places in China:
Name
°F
24 Hours Forecast
Sanya
Local time: 05:11
December 25, thursday
0600
70°F
SW
6 mph
6 mph
0900
75°F
SW
5 mph
5 mph
1200
81°F
W
7 mph
7 mph
1500
79°F
W
9 mph
9 mph
1800
75°F
SW
11 mph
11 mph
2100
72°F
SW
14 mph
14 mph
December 26, friday
0000
70°F
SW
12 mph
12 mph
0300
68°F
SW
12 mph
12 mph
