All data are in degrees Fahrenheit

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Water temperature in Sanya

Detailed information about the current water temperature in Sanya. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Sanya now

85.6

°F

August 5, 17:48

Trend:

increasing

Yesterday:

85.1°F

Tomorrow:

85.7°F

Sunrise:

06:21

Sunset:

19:15

Day Length:

12 h. 54 min.

Sanya in August

Minimum:

74.6°F

Average:

75.4°F

Maximum:

76.7°F

Sea water temperature in Sanya today

As of now, in Sanya, the water temperature is 85.6°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 1.0°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 86.6°F on 2022, while the historical minimum was 81.9°F on 2025.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 85.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Sanya

Date Current Year

actual* / forecast**

last year 10 years average
Jul 22 83.2°F 84.8°F 84.8°F
Jul 23 84.2°F 84.7°F 84.8°F
Jul 24 84.0°F 84.5°F 84.8°F
Jul 25 83.6°F 84.5°F 84.7°F
Jul 26 84.4°F 84.0°F 84.5°F
Jul 27 83.8°F 82.1°F 84.2°F
Jul 28 84.5°F 81.8°F 84.2°F
Jul 29 83.9°F 81.7°F 84.3°F
Jul 30 85.1°F 81.6°F 84.3°F
Jul 31 85.0°F 81.8°F 84.6°F
Aug 1 84.9°F 81.7°F 84.7°F
Aug 2 84.8°F 81.9°F 84.7°F
Aug 3 84.8°F 82.2°F 84.8°F
Aug 4 85.1°F 81.9°F 84.7°F
Aug 5 85.6°F 81.9°F 84.6°F
Aug 6 85.7°F 82.1°F 84.7°F
Aug 7 85.7°F 82.2°F 84.6°F
Aug 8 85.7°F 84.1°F 84.7°F
Aug 9 86.0°F 84.3°F 85.0°F
Aug 10 86.1°F 84.4°F 85.0°F
Aug 11 86.2°F 84.5°F 85.1°F
Aug 12 86.2°F 86.0°F 85.1°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Sanya by month

In Sanya, the water temperature is comfortable for swimming all year round.
The warmest water in Sanya was recorded on June 22, 2024, reaching a 88.2°F. While the coldest temperature occurred on February 9, 2018, dipping to 70.2°F. The average readings by season are 75.5°F in Winter, 79.8°F in Spring, 85.0°F in Summer, and 82.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Wanning 84.6°F 69mi
Basuo 85.4°F 81mi
Qionghai 84.7°F 93mi

* current water temperature in this city

** straight line distance from Sanya