All data are in degrees Fahrenheit

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Water temperature in Rui’an

Detailed information about the current water temperature in Rui’an. 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 Rui’an now

53.7

°F

February 14, 20:35

Trend:

stable

Yesterday:

51.7°F

Tomorrow:

53.4°F

Sunrise:

06:36

Sunset:

17:47

Day Length:

11 h. 11 min.

Rui’an in February

Minimum:

51.8°F

Average:

55.6°F

Maximum:

60.3°F

Sea water temperature in Rui’an today

As of now, in Rui’an, the water temperature is 53.7°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. Since yesterday, there was a noticeable 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 slightly 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 55.6°F on 2016, while the historical minimum was 51.2°F on 2025.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 53.3°F, the minimum temperature may reach 53.2°F, and the maximum might stay at 53.6°F.

Daily water temperature in Rui’an

Date Current Year

actual* / forecast**

last year 10 years average
Jan 31 58.2°F 52.5°F 54.5°F
Feb 1 57.9°F 52.2°F 54.6°F
Feb 2 58.0°F 52.8°F 54.9°F
Feb 3 57.1°F 52.8°F 54.7°F
Feb 4 55.9°F 51.4°F 54.5°F
Feb 5 55.7°F 50.3°F 54.0°F
Feb 6 54.7°F 50.6°F 53.6°F
Feb 7 54.3°F 50.7°F 53.4°F
Feb 8 53.8°F 50.8°F 53.2°F
Feb 9 51.2°F 51.3°F 52.9°F
Feb 10 51.8°F 49.1°F 52.8°F
Feb 11 51.7°F 49.8°F 52.9°F
Feb 12 50.4°F 50.5°F 52.9°F
Feb 13 51.7°F 51.1°F 53.3°F
Feb 14 53.7°F 51.2°F 53.8°F
Feb 15 53.4°F 51.7°F 53.5°F
Feb 16 53.3°F 51.8°F 53.4°F
Feb 17 53.3°F 52.0°F 53.4°F
Feb 18 53.2°F 52.1°F 53.3°F
Feb 19 53.2°F 52.3°F 53.3°F
Feb 20 53.4°F 52.4°F 53.5°F
Feb 21 53.6°F 52.6°F 53.7°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 Rui’an by month

In Rui’an, the months June through October offer comfortable swimming conditions, which amounts to 149 swimming days.
The warmest water in Rui’an was recorded on August 11, 2022, reaching a 89.0°F. While the coldest temperature occurred on January 19, 2025, dipping to 48.0°F. The average readings by season are 55.7°F in Winter, 63.7°F in Spring, 82.5°F in Summer, and 75.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Wenzhou 53.4°F 15mi
Taizhou 49.3°F 77mi
Jiaojiang 49.6°F 81mi

* current water temperature in this city

** straight line distance from Rui’an