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

87.5

°F

August 30, 02:42

Trend:

decreasing

Yesterday:

87.6°F

Tomorrow:

87.4°F

Sunrise:

05:35

Sunset:

18:21

Day Length:

12 h. 46 min.

Rui’an in September

Minimum:

51.9°F

Average:

55.6°F

Maximum:

59.4°F

Sea water temperature in Rui’an today

As of now, in Rui’an, the water temperature is 87.5°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 2.0°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 86.5°F on 2017, while the historical minimum was 82.4°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 86.7°F, the minimum temperature may reach 86.2°F, and the maximum might stay at 87.4°F.

Daily water temperature in Rui’an

Date Current Year

actual* / forecast**

last year 10 years average
Aug 16 85.7°F 87.7°F 85.3°F
Aug 17 85.5°F 88.0°F 85.3°F
Aug 18 86.4°F 87.8°F 85.6°F
Aug 19 86.8°F 88.0°F 85.9°F
Aug 20 88.0°F 87.7°F 86.1°F
Aug 21 88.3°F 85.9°F 86.3°F
Aug 22 88.3°F 85.8°F 86.5°F
Aug 23 88.1°F 86.1°F 86.5°F
Aug 24 87.8°F 85.2°F 86.3°F
Aug 25 87.2°F 84.7°F 86.1°F
Aug 26 86.6°F 85.6°F 85.9°F
Aug 27 87.7°F 85.7°F 86.1°F
Aug 28 87.6°F 85.4°F 85.7°F
Aug 29 87.6°F 85.2°F 85.6°F
Aug 30 87.5°F 85.8°F 85.6°F
Aug 31 87.4°F 88.0°F 85.4°F
Sep 1 87.0°F 88.0°F 85.0°F
Sep 2 86.7°F 87.7°F 84.7°F
Sep 3 86.5°F 87.2°F 84.5°F
Sep 4 86.5°F 87.6°F 84.5°F
Sep 5 86.4°F 87.0°F 84.4°F
Sep 6 86.2°F 87.3°F 84.2°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 147 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 55.9°F in Winter, 63.6°F in Spring, 82.3°F in Summer, and 74.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Wenzhou 86.7°F 15mi
Taizhou 86.3°F 77mi
Jiaojiang 86.5°F 81mi

* current water temperature in this city

** straight line distance from Rui’an