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

51.9

°F

March 13, 16:40

Trend:

decreasing

Yesterday:

52.1°F

Tomorrow:

51.5°F

Sunrise:

06:10

Sunset:

18:04

Day Length:

11 h. 54 min.

Rui’an in March

Minimum:

51.8°F

Average:

55.7°F

Maximum:

60.5°F

Sea water temperature in Rui’an today

As of now, in Rui’an, the water temperature is 51.9°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 3.3°F lower 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 minimum temperature for this date. The maximum temperature recorded for this date was 59.1°F on 2023, while the historical minimum was 52.4°F on 2024.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest 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 52.0°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
Feb 27 53.5°F 56.8°F 55.2°F
Feb 28 54.2°F 57.3°F 55.3°F
Mar 1 53.8°F 58.2°F 55.6°F
Mar 2 52.4°F 58.5°F 56.0°F
Mar 3 52.9°F 58.7°F 56.2°F
Mar 4 53.5°F 58.9°F 56.5°F
Mar 5 54.1°F 59.1°F 56.8°F
Mar 6 54.7°F 59.3°F 57.2°F
Mar 7 52.6°F 58.8°F 57.3°F
Mar 8 50.2°F 58.6°F 57.1°F
Mar 9 51.2°F 56.9°F 56.5°F
Mar 10 51.0°F 56.0°F 56.1°F
Mar 11 51.0°F 55.3°F 55.6°F
Mar 12 52.1°F 52.9°F 55.2°F
Mar 13 51.9°F 52.4°F 55.2°F
Mar 14 51.5°F 52.1°F 54.7°F
Mar 15 51.2°F 51.7°F 54.5°F
Mar 16 51.7°F 51.7°F 54.9°F
Mar 17 52.1°F 54.7°F 55.4°F
Mar 18 52.4°F 54.8°F 55.7°F
Mar 19 52.6°F 54.9°F 55.9°F
Mar 20 52.6°F 32.0°F 55.9°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 146 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, 63.5°F in Spring, 82.1°F in Summer, and 74.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Wenzhou 53.2°F 15mi
Taizhou 48.9°F 77mi
Jiaojiang 48.9°F 81mi

* current water temperature in this city

** straight line distance from Rui’an