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

85.2

°F

July 7, 15:38

Trend:

increasing

Yesterday:

85.0°F

Tomorrow:

85.4°F

Sunrise:

05:07

Sunset:

18:57

Day Length:

13 h. 50 min.

Rui’an in July

Minimum:

51.4°F

Average:

55.2°F

Maximum:

59.7°F

Sea water temperature in Rui’an today

As of now, in Rui’an, the water temperature is 85.2°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 1.8°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming 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 88.1°F on 2025, while the historical minimum was 80.4°F on 2019.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 85.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Rui’an

Date Current Year

actual* / forecast**

last year 10 years average
Jun 23 80.2°F 81.3°F 79.3°F
Jun 24 80.9°F 81.9°F 79.8°F
Jun 25 81.4°F 81.8°F 80.0°F
Jun 26 81.8°F 82.5°F 80.1°F
Jun 27 82.0°F 83.4°F 80.6°F
Jun 28 82.0°F 83.6°F 80.9°F
Jun 29 81.4°F 84.3°F 81.3°F
Jun 30 81.5°F 84.4°F 81.2°F
Jul 1 82.5°F 85.4°F 81.7°F
Jul 2 82.7°F 85.8°F 82.1°F
Jul 3 84.1°F 86.2°F 82.4°F
Jul 4 84.7°F 86.9°F 82.9°F
Jul 5 86.0°F 87.7°F 83.1°F
Jul 6 85.0°F 88.0°F 83.2°F
Jul 7 85.2°F 88.1°F 83.5°F
Jul 8 85.4°F 87.5°F 83.6°F
Jul 9 85.4°F 87.2°F 83.6°F
Jul 10 85.2°F 86.5°F 83.4°F
Jul 11 85.0°F 85.3°F 83.2°F
Jul 12 85.0°F 85.1°F 83.2°F
Jul 13 85.0°F 84.8°F 83.2°F
Jul 14 85.0°F 84.3°F 83.3°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 Rui’an by month

In Rui’an, the months June through October offer comfortable swimming conditions, which amounts to 152 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, 63.8°F in Spring, 82.6°F in Summer, and 75.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Wenzhou 83.8°F 15mi
Taizhou 84.5°F 77mi
Jiaojiang 84.6°F 81mi

* current water temperature in this city

** straight line distance from Rui’an