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

40.3

°F

January 22, 09:38

Trend:

decreasing

Yesterday:

40.7°F

Tomorrow:

40.2°F

Sunrise:

07:08

Sunset:

17:03

Day Length:

9 h. 55 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 40.3°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 1.2°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 41.6°F on 2025, while the historical minimum was 37.6°F on 2021.

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 40.0°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
Jan 8 44.5°F 43.5°F 42.3°F
Jan 9 43.6°F 43.4°F 42.2°F
Jan 10 43.3°F 42.5°F 42.0°F
Jan 11 43.6°F 42.5°F 41.7°F
Jan 12 42.5°F 42.0°F 41.4°F
Jan 13 42.4°F 42.5°F 41.4°F
Jan 14 41.8°F 41.8°F 41.1°F
Jan 15 42.9°F 42.0°F 40.9°F
Jan 16 40.7°F 42.5°F 40.6°F
Jan 17 41.6°F 42.5°F 40.3°F
Jan 18 41.0°F 41.8°F 40.1°F
Jan 19 40.1°F 41.5°F 39.8°F
Jan 20 41.1°F 41.6°F 39.7°F
Jan 21 40.7°F 41.5°F 39.5°F
Jan 22 40.3°F 41.6°F 39.1°F
Jan 23 40.2°F 41.4°F 39.0°F
Jan 24 40.1°F 40.9°F 38.9°F
Jan 25 39.9°F 41.1°F 38.7°F
Jan 26 40.1°F 41.0°F 38.9°F
Jan 27 40.0°F 40.9°F 38.8°F
Jan 28 39.9°F 40.8°F 38.7°F
Jan 29 39.7°F 40.6°F 38.5°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.