All data are in degrees Fahrenheit

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Water temperature in Shanghai

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

56.3

°F

December 11, 17:15

Trend:

stable

Yesterday:

55.9°F

Tomorrow:

55.9°F

Sunrise:

06:42

Sunset:

16:52

Day Length:

10 h. 10 min.

Shanghai in December

Minimum:

44.5°F

Average:

47.8°F

Maximum:

49.9°F

Sea water temperature in Shanghai today

As of now, in Shanghai, the water temperature is 56.3°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 0.6°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 57.6°F on 2021, while the historical minimum was 53.5°F on 2017.

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 54.8°F, the minimum temperature may reach 53.6°F, and the maximum might stay at 55.9°F.

Daily water temperature in Shanghai

Date Current Year

actual* / forecast**

last year 10 years average
Nov 27 60.3°F 61.2°F 60.5°F
Nov 28 58.5°F 61.1°F 60.0°F
Nov 29 59.0°F 60.1°F 59.6°F
Nov 30 58.9°F 59.3°F 59.3°F
Dec 1 58.9°F 59.4°F 59.3°F
Dec 2 58.4°F 58.5°F 58.8°F
Dec 3 58.9°F 59.0°F 58.6°F
Dec 4 59.1°F 58.5°F 58.4°F
Dec 5 58.7°F 58.0°F 58.0°F
Dec 6 58.4°F 58.0°F 57.7°F
Dec 7 58.1°F 57.2°F 57.2°F
Dec 8 57.6°F 57.6°F 56.8°F
Dec 9 56.7°F 57.4°F 56.5°F
Dec 10 55.9°F 56.9°F 56.1°F
Dec 11 56.3°F 56.0°F 55.7°F
Dec 12 55.9°F 55.9°F 55.3°F
Dec 13 55.5°F 55.5°F 54.9°F
Dec 14 55.1°F 55.2°F 54.5°F
Dec 15 54.9°F 54.6°F 54.3°F
Dec 16 54.3°F 53.6°F 53.7°F
Dec 17 54.1°F 53.4°F 53.5°F
Dec 18 53.6°F 52.8°F 53.0°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 Shanghai by month

In Shanghai, the months June through September offer comfortable swimming conditions, which amounts to 129 swimming days.
The warmest water in Shanghai was recorded on August 30, 2025, reaching a 89.8°F. While the coldest temperature occurred on February 8, 2016, dipping to 42.0°F. The average readings by season are 49.2°F in Winter, 60.3°F in Spring, 81.5°F in Summer, and 72.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Zhabei 56.9°F 3mi
Suzhou 51.7°F 51mi
Changshu 57.9°F 51mi
Nantong 58.1°F 66mi
Zhangjiagang 56.9°F 70mi

* current water temperature in this city

** straight line distance from Shanghai