All data are in degrees Fahrenheit

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Water temperature in Dalian

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

72.7

°F

July 11, 00:41

Trend:

increasing

Yesterday:

72.6°F

Tomorrow:

73.0°F

Sunrise:

04:37

Sunset:

19:21

Day Length:

14 h. 44 min.

Dalian in July

Minimum:

39.4°F

Average:

42.4°F

Maximum:

44.4°F

Sea water temperature in Dalian today

As of now, in Dalian, the water temperature is 72.7°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.8°F lower 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 rise a bit.

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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 78.6°F on 2025, while the historical minimum was 70.3°F on 2020.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 73.8°F, with minimum temperature starting at 73.0°F, while the maximum might reach 74.2°F.

Daily water temperature in Dalian

Date Current Year

actual* / forecast**

last year 10 years average
Jun 27 69.9°F 72.8°F 70.0°F
Jun 28 69.9°F 72.9°F 70.5°F
Jun 29 69.8°F 71.4°F 70.3°F
Jun 30 69.4°F 71.7°F 70.6°F
Jul 1 70.0°F 71.6°F 70.9°F
Jul 2 69.5°F 72.8°F 71.1°F
Jul 3 72.0°F 72.6°F 71.3°F
Jul 4 72.7°F 73.1°F 71.7°F
Jul 5 72.4°F 74.9°F 71.7°F
Jul 6 73.4°F 77.6°F 72.6°F
Jul 7 74.0°F 78.5°F 72.8°F
Jul 8 75.1°F 78.2°F 72.9°F
Jul 9 74.5°F 78.3°F 73.0°F
Jul 10 72.6°F 77.9°F 73.4°F
Jul 11 72.7°F 78.6°F 73.5°F
Jul 12 73.0°F 77.8°F 73.7°F
Jul 13 73.3°F 78.1°F 74.1°F
Jul 14 73.9°F 76.2°F 74.7°F
Jul 15 74.2°F 75.5°F 75.0°F
Jul 16 73.9°F 77.0°F 74.7°F
Jul 17 74.1°F 74.5°F 74.8°F
Jul 18 73.9°F 75.6°F 74.7°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 Dalian by month

In Dalian, the months July through September offer comfortable swimming conditions, which amounts to 71 swimming days.
The warmest water in Dalian was recorded on August 19, 2024, reaching a 84.2°F. While the coldest temperature occurred on February 20, 2016, dipping to 33.2°F. The average readings by season are 41.9°F in Winter, 46.8°F in Spring, 73.1°F in Summer, and 64.8°F in Autumn.