All data are in degrees Fahrenheit

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Water temperature in Ruhnu

Detailed information about the current water temperature in Ruhnu. 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 Ruhnu now

62.8

°F

September 18, 01:41

Trend:

decreasing

Yesterday:

63.0°F

Tomorrow:

62.7°F

Sunrise:

07:02

Sunset:

19:39

Day Length:

12 h. 37 min.

Ruhnu in September

Minimum:

36.4°F

Average:

37.8°F

Maximum:

40.7°F

Sea water temperature in Ruhnu today

As of now, in Ruhnu, the water temperature is 62.8°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.4°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 65.4°F on 2024, while the historical minimum was 57.7°F on 2021.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 62.0°F, the minimum temperature may reach 61.4°F, and the maximum might stay at 62.7°F.

Daily water temperature in Ruhnu

Date Current Year

actual* / forecast**

last year 10 years average
Sep 4 62.6°F 65.9°F 64.2°F
Sep 5 63.5°F 67.8°F 64.2°F
Sep 6 64.4°F 68.6°F 64.4°F
Sep 7 64.0°F 68.1°F 64.0°F
Sep 8 65.4°F 67.9°F 63.8°F
Sep 9 66.0°F 67.7°F 63.7°F
Sep 10 66.0°F 66.9°F 63.7°F
Sep 11 65.8°F 66.4°F 63.7°F
Sep 12 65.1°F 66.9°F 63.6°F
Sep 13 64.3°F 66.0°F 63.1°F
Sep 14 64.1°F 65.4°F 62.9°F
Sep 15 63.9°F 64.6°F 62.5°F
Sep 16 62.9°F 64.8°F 62.1°F
Sep 17 63.0°F 66.1°F 61.6°F
Sep 18 62.8°F 65.4°F 61.5°F
Sep 19 62.7°F 65.7°F 61.3°F
Sep 20 62.3°F 65.4°F 61.0°F
Sep 21 62.1°F 65.3°F 60.7°F
Sep 22 61.9°F 65.3°F 60.5°F
Sep 23 61.8°F 65.3°F 60.5°F
Sep 24 61.5°F 64.8°F 60.2°F
Sep 25 61.4°F 65.2°F 60.0°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 Ruhnu by month

In an average year, Ruhnu offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Ruhnu was recorded on July 17, 2021, reaching a 77.4°F. While the coldest temperature occurred on February 20, 2021, dipping to 32.0°F. The average readings by season are 37.7°F in Winter, 39.5°F in Spring, 63.4°F in Summer, and 54.5°F in Autumn.