Current Sea Water Temperature:
+85.2°F
| Maximum Sea Water Temperature in September: | 91.4°F |
| Minimum Sea Water Temperature in September: | 82.4°F |
| Average water temperature in September: | 88.5°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| September 13 | 85.2°F | September 08 | 84.2°F |
| September 12 | 85.6°F | September 07 | 82.8°F |
| September 11 | 85.6°F | September 06 | 82.4°F |
| September 10 | 85.8°F | September 05 | 82.6°F |
| September 09 | 84.6°F | September 04 | 83.6°F |
When is the Warmest Sea for Sanya?
According to our data for the last three years for Sanya the highest average sea water temperature was in June, September and July.
Average Water Temperature by Month, °F
Sea Water Temperature in June
The average sea surface temperature in June 2026 for Sanya was 90.0°F. The maximum and minimum values were 88.4°F and 91.6°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Sanya was 87.9°F. The maximum and minimum values were 85.8°F and 89.2°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Sanya was 87.7°F. The maximum and minimum values were 84.8°F and 91.4°F respectively.
China Resorts:
NAME
F°
| Beidaihe |  |
+80 |
| Beijing | |
+84 |
| Dadunhai |  |
+78 |
| Dalian | |
+76 |
| Guangzhou |  |
+96 |
| Hainan | |
+72 |
| Hong Kong | |
+88 |
| Macau | |
+88 |
| Quingdao | |
+76 |
| Sanya | |
+78 |
| Shanghai | |
+86 |
| Shenzhen | |
+88 |
| Weihai | |
+74 |
| Yalong Bay | |
+78 |
| Yantai | |
+74 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Sanya
Local time: 14:55
14 sep, monday
| 1500 |  |
78°F | W 8 mph |
| 1800 | |
78°F | SW 7 mph |
| 2100 |  |
76°F | SW 7 mph |
15 sep, tuesday
| 0000 | |
76°F | W 4 mph |
| 0300 | |
76°F | SW 6 mph |
| 0600 | |
76°F | SW 7 mph |
| 0900 | |
78°F | SW 4 mph |
| 1200 | |
78°F | SW 6 mph |