Current Sea Water Temperature:
+85.8°F
| Maximum Sea Water Temperature in July: | 91.4°F |
| Minimum Sea Water Temperature in July: | 84.0°F |
| Average water temperature in July: | 88.5°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| July 13 | 85.8°F | July 08 | 87.8°F |
| July 12 | 86.2°F | July 07 | 87.8°F |
| July 11 | 87.4°F | July 06 | 89.2°F |
| July 10 | 87.2°F | July 05 | 88.8°F |
| July 09 | 88.4°F | July 04 | 90.0°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 2025 for Sanya was 88.2°F. The maximum and minimum values were 85.2°F and 89.6°F respectively.
China Resorts:
NAME
F°
| Beidaihe | ![]() |
+90 |
| Beijing | ![]() |
+98 |
| Dadunhai | ![]() |
+86 |
| Dalian | ![]() |
+78 |
| Guangzhou | ![]() |
+92 |
| Hainan | ![]() |
+82 |
| Hong Kong | ![]() |
+82 |
| Qinhuangdao | ![]() |
+90 |
| Quingdao | ![]() |
+86 |
| Sanya | ![]() |
+86 |
| Shanghai | ![]() |
+100 |
| Shenzhen | ![]() |
+82 |
| Weihai | ![]() |
+78 |
| Yalong Bay | ![]() |
+86 |
| Yantai | ![]() |
+78 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Sanya
Local time: 14:43
14 jul, tuesday
| 1500 | ![]() |
86°F | E 9 mph |
| 1800 | ![]() |
86°F | NE 5 mph |
| 2100 | ![]() |
84°F | NE 7 mph |
15 jul, wednesday
| 0000 | ![]() |
84°F | NE 7 mph |
| 0300 | ![]() |
82°F | NE 5 mph |
| 0600 | ![]() |
84°F | NE 13 mph |
| 0900 | ![]() |
86°F | E 12 mph |
| 1200 | ![]() |
88°F | E 15 mph |


































