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

43.6

°F

January 5, 12:52

Trend:

decreasing

Yesterday:

43.9°F

Tomorrow:

43.5°F

Sunrise:

07:13

Sunset:

16:45

Day Length:

9 h. 32 min.

Dalian in January

Minimum:

40.3°F

Average:

43.4°F

Maximum:

44.6°F

Sea water temperature in Dalian today

As of now, in Dalian, the water temperature is 43.6°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.1°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 44.9°F on 2025, while the historical minimum was 39.8°F on 2024.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 43.0°F, the minimum temperature may reach 42.4°F, and the maximum might stay at 43.5°F.

Daily water temperature in Dalian

Date Current Year

actual* / forecast**

last year 10 years average
Jan 1 43.7°F 44.3°F 43.4°F
Jan 2 43.4°F 44.4°F 43.1°F
Jan 3 43.1°F 44.7°F 42.9°F
Jan 4 43.9°F 45.0°F 42.8°F
Jan 5 43.6°F 44.9°F 42.5°F
Jan 6 43.5°F 44.1°F 42.4°F
Jan 7 43.3°F 44.4°F 42.2°F
Jan 8 43.1°F 43.5°F 42.0°F
Jan 9 43.1°F 43.4°F 42.1°F
Jan 10 42.9°F 42.5°F 41.8°F
Jan 11 42.6°F 42.5°F 41.5°F
Jan 12 42.4°F 42.0°F 41.3°F
Dec 22 46.1°F 47.3°F 46.2°F
Dec 23 46.3°F 47.5°F 46.1°F
Dec 24 46.4°F 46.7°F 45.5°F
Dec 25 46.7°F 46.9°F 45.3°F
Dec 26 46.3°F 46.5°F 44.9°F
Dec 27 45.6°F 46.1°F 44.9°F
Dec 28 44.9°F 46.4°F 44.6°F
Dec 29 43.9°F 45.9°F 44.1°F
Dec 30 44.2°F 45.5°F 43.9°F
Dec 31 44.0°F 45.2°F 43.8°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 41.8°F in Winter, 46.6°F in Spring, 73.0°F in Summer, and 64.8°F in Autumn.