What is the current water temperature in Shanghai?

Q: What is the current water temperature in Shanghai?

As of now, in Shanghai, the water temperature is 11.78°C. 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.

China > Shanghai

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.

53.2

°F

January 1, 07:10

Trend:

decreasing

Yesterday:

53.5°F

Tomorrow:

53.0°F

Sunrise:

06:53

Sunset:

17:02

Day Length:

10 h. 9 min.

Shanghai in January

Minimum:

46.8°F

Average:

49.1°F

Maximum:

52.1°F

Sea water temperature in Shanghai today

As of now, in Shanghai, the water temperature is 53.2°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 4.1°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 slightly 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 52.1°F on 2020, while the historical minimum was 46.8°F on 2023.

latest data

last year

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 53.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Shanghai

Date	Current Year actual* / forecast**	last year	10 years average
Jan 1	53.2°F	48.8°F	49.1°F
Jan 2	53.0°F	49.5°F	48.9°F
Jan 3	52.9°F	49.3°F	48.8°F
Jan 4	53.3°F	49.7°F	49.2°F
Jan 5	53.8°F	50.2°F	49.7°F
Jan 6	53.3°F	48.8°F	49.2°F
Jan 7	53.2°F	49.4°F	49.1°F
Jan 8	52.8°F	49.3°F	48.7°F
Dec 18	54.9°F	52.8°F	53.1°F
Dec 19	54.5°F	52.5°F	52.9°F
Dec 20	55.3°F	51.6°F	52.4°F
Dec 21	54.6°F	52.4°F	52.2°F
Dec 22	55.3°F	51.9°F	52.1°F
Dec 23	54.6°F	51.5°F	51.6°F
Dec 24	53.9°F	51.1°F	51.3°F
Dec 25	53.4°F	51.2°F	50.9°F
Dec 26	53.9°F	50.9°F	50.8°F
Dec 27	53.5°F	50.6°F	50.5°F
Dec 28	52.8°F	50.6°F	50.3°F
Dec 29	53.8°F	49.4°F	50.1°F
Dec 30	53.2°F	49.4°F	49.9°F
Dec 31	53.5°F	49.1°F	49.4°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 49.3°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	53.3°F	3mi
Suzhou	47.4°F	51mi
Changshu	53.2°F	51mi
Nantong	53.7°F	66mi
Zhangjiagang	54.1°F	70mi

* current water temperature in this city

** straight line distance from Shanghai