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

78.5

°F

October 11, 04:13

Trend:

decreasing

Yesterday:

79.0°F

Tomorrow:

78.1°F

Sunrise:

05:54

Sunset:

17:28

Day Length:

11 h. 34 min.

Shanghai in October

Minimum:

45.3°F

Average:

47.9°F

Maximum:

50.4°F

Sea water temperature in Shanghai today

As of now, in Shanghai, the water temperature is 78.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 4.2°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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 79.4°F on 2021, while the historical minimum was 72.3°F on 2015.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 76.8°F, the minimum temperature may reach 75.9°F, and the maximum might stay at 78.1°F.

Daily water temperature in Shanghai

Date Current Year

actual* / forecast**

last year 10 years average
Sep 27 82.7°F 80.9°F 78.9°F
Sep 28 82.7°F 81.8°F 78.8°F
Sep 29 82.2°F 80.7°F 78.5°F
Sep 30 81.7°F 81.4°F 78.7°F
Oct 1 80.5°F 80.9°F 78.2°F
Oct 2 80.6°F 80.2°F 77.9°F
Oct 3 80.5°F 79.5°F 77.9°F
Oct 4 79.8°F 78.5°F 77.6°F
Oct 5 78.9°F 77.3°F 76.9°F
Oct 6 80.4°F 76.8°F 76.6°F
Oct 7 82.0°F 76.3°F 76.3°F
Oct 8 80.0°F 75.7°F 75.8°F
Oct 9 79.0°F 75.3°F 75.4°F
Oct 10 79.0°F 74.8°F 74.8°F
Oct 11 78.5°F 74.6°F 74.3°F
Oct 12 78.1°F 74.3°F 73.9°F
Oct 13 77.6°F 74.3°F 73.4°F
Oct 14 77.2°F 74.0°F 73.0°F
Oct 15 76.8°F 73.5°F 72.6°F
Oct 16 76.4°F 73.1°F 72.2°F
Oct 17 76.0°F 72.7°F 71.8°F
Oct 18 75.9°F 74.3°F 71.7°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 128 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 72.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Zhabei 78.5°F 3mi
Suzhou 80.6°F 51mi
Changshu 77.1°F 51mi
Nantong 77.5°F 66mi
Zhangjiagang 77.7°F 70mi

* current water temperature in this city

** straight line distance from Shanghai