All data are in degrees Fahrenheit

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Water temperature in Haikou

Detailed information about the current water temperature in Haikou. 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 Haikou now

82.7

°F

October 23, 07:31

Trend:

stable

Yesterday:

82.7°F

Tomorrow:

82.6°F

Sunrise:

06:36

Sunset:

18:10

Day Length:

11 h. 34 min.

Haikou in October

Minimum:

65.5°F

Average:

68.6°F

Maximum:

71.4°F

Sea water temperature in Haikou today

As of now, in Haikou, the water temperature is 82.7°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 1.8°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 81.9°F on 2024, while the historical minimum was 79.6°F on 2022.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 82.2°F, the minimum temperature may reach 81.8°F, and the maximum might stay at 82.6°F.

Daily water temperature in Haikou

Date Current Year

actual* / forecast**

last year 10 years average
Oct 9 83.2°F 83.0°F 83.6°F
Oct 10 83.1°F 82.7°F 83.5°F
Oct 11 83.0°F 82.7°F 83.3°F
Oct 12 82.7°F 82.6°F 83.0°F
Oct 13 82.7°F 82.5°F 82.7°F
Oct 14 82.9°F 82.6°F 82.6°F
Oct 15 82.5°F 82.4°F 82.1°F
Oct 16 82.6°F 82.4°F 81.9°F
Oct 17 83.1°F 82.3°F 81.9°F
Oct 18 83.2°F 82.3°F 81.8°F
Oct 19 83.3°F 82.4°F 81.6°F
Oct 20 83.1°F 82.2°F 81.3°F
Oct 21 83.0°F 82.1°F 81.2°F
Oct 22 82.7°F 82.1°F 80.9°F
Oct 23 82.7°F 81.9°F 80.9°F
Oct 24 82.6°F 81.7°F 80.8°F
Oct 25 82.5°F 81.6°F 80.7°F
Oct 26 82.3°F 81.4°F 80.5°F
Oct 27 82.2°F 81.2°F 80.4°F
Oct 28 82.0°F 80.9°F 80.3°F
Oct 29 81.9°F 80.6°F 80.2°F
Oct 30 81.8°F 80.3°F 80.0°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 Haikou by month

In Haikou, the months April through November offer comfortable swimming conditions, which amounts to 253 swimming days.
The warmest water in Haikou was recorded on July 30, 2020, reaching a 89.2°F. While the coldest temperature occurred on February 14, 2018, dipping to 61.6°F. The average readings by season are 69.2°F in Winter, 76.0°F in Spring, 85.4°F in Summer, and 81.4°F in Autumn.