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

76.7

°F

September 5, 10:29

Trend:

decreasing

Yesterday:

76.7°F

Tomorrow:

76.4°F

Sunrise:

05:25

Sunset:

18:19

Day Length:

12 h. 54 min.

Dalian in September

Minimum:

39.8°F

Average:

42.2°F

Maximum:

44.5°F

Sea water temperature in Dalian today

As of now, in Dalian, the water temperature is 76.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.3°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 considerably lower than the average registered over the last two weeks, indicating a slight cooling 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 78.9°F on 2024, while the historical minimum was 72.6°F on 2016.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 76.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Dalian

Date Current Year

actual* / forecast**

last year 10 years average
Aug 22 80.2°F 80.2°F 78.5°F
Aug 23 80.6°F 78.8°F 78.3°F
Aug 24 82.5°F 80.1°F 78.6°F
Aug 25 80.3°F 79.9°F 78.5°F
Aug 26 80.0°F 79.3°F 77.9°F
Aug 27 79.5°F 79.1°F 77.6°F
Aug 28 79.2°F 78.7°F 77.3°F
Aug 29 78.5°F 78.5°F 76.9°F
Aug 30 78.1°F 78.0°F 76.4°F
Aug 31 78.6°F 77.9°F 76.4°F
Sep 1 77.7°F 77.5°F 76.2°F
Sep 2 77.2°F 76.1°F 75.7°F
Sep 3 76.7°F 76.2°F 75.5°F
Sep 4 76.7°F 77.2°F 75.4°F
Sep 5 76.7°F 76.8°F 75.4°F
Sep 6 76.4°F 76.3°F 75.1°F
Sep 7 76.4°F 76.8°F 75.1°F
Sep 8 76.4°F 77.1°F 75.1°F
Sep 9 76.5°F 76.0°F 75.1°F
Sep 10 76.4°F 75.3°F 75.1°F
Sep 11 76.4°F 76.7°F 75.1°F
Sep 12 76.2°F 76.7°F 74.9°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 70 swimming days.
The warmest water in Dalian was recorded on August 7, 2026, reaching a 84.3°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.