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

49.0

°F

March 6, 14:02

Trend:

stable

Yesterday:

49.0°F

Tomorrow:

49.4°F

Sunrise:

06:16

Sunset:

17:56

Day Length:

11 h. 40 min.

Shanghai in March

Minimum:

46.8°F

Average:

49.3°F

Maximum:

52.1°F

Sea water temperature in Shanghai today

As of now, in Shanghai, the water temperature is 49.0°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 about the same as 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 slightly 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 51.5°F on 2020, while the historical minimum was 45.6°F on 2024.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 50.2°F, with minimum temperature starting at 49.4°F, while the maximum might reach 51.4°F.

Daily water temperature in Shanghai

Date Current Year

actual* / forecast**

last year 10 years average
Feb 20 49.3°F 46.8°F 47.2°F
Feb 21 49.2°F 46.8°F 47.3°F
Feb 22 50.6°F 47.1°F 47.6°F
Feb 23 49.4°F 47.3°F 47.6°F
Feb 24 48.5°F 47.0°F 47.4°F
Feb 25 49.0°F 47.4°F 47.4°F
Feb 26 48.7°F 47.6°F 47.4°F
Feb 27 48.7°F 47.6°F 47.7°F
Feb 28 48.5°F 49.5°F 47.9°F
Mar 1 49.4°F 50.2°F 48.0°F
Mar 2 50.3°F 48.9°F 48.4°F
Mar 3 50.2°F 49.6°F 48.3°F
Mar 4 49.9°F 49.2°F 48.5°F
Mar 5 49.0°F 49.0°F 49.0°F
Mar 6 49.0°F 48.7°F 49.0°F
Mar 7 49.4°F 49.2°F 49.3°F
Mar 8 49.7°F 49.5°F 49.6°F
Mar 9 49.6°F 49.4°F 49.6°F
Mar 10 50.2°F 50.1°F 50.2°F
Mar 11 50.6°F 50.5°F 50.6°F
Mar 12 50.9°F 50.6°F 50.9°F
Mar 13 51.4°F 50.6°F 51.3°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 130 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 49.5°F in Winter, 60.5°F in Spring, 81.8°F in Summer, and 72.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Zhabei 49.0°F 3mi
Suzhou 51.0°F 51mi
Changshu 50.8°F 51mi
Nantong 50.8°F 66mi
Zhangjiagang 50.6°F 70mi

* current water temperature in this city

** straight line distance from Shanghai