What is the current water temperature in Ruhnu?

Q: What is the current water temperature in Ruhnu?

As of now, in Ruhnu, the water temperature is 13.28°C. 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.

Estonia > Ruhnu

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.

55.9

°F

July 1, 09:54

Trend:

stable

Yesterday:

55.7°F

Tomorrow:

55.6°F

Sunrise:

04:30

Sunset:

22:31

Day Length:

18 h. 1 min.

Ruhnu in July

Minimum:

36.6°F

Average:

38.3°F

Maximum:

40.2°F

Sea water temperature in Ruhnu today

As of now, in Ruhnu, the water temperature is 55.9°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 9.8°F lower 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 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 minimum temperature for this date. The maximum temperature recorded for this date was 73.3°F on 2022, while the historical minimum was 57.0°F on 2017.

latest data

last year

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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 54.7°F, the minimum temperature may reach 53.7°F, and the maximum might stay at 55.6°F.

Daily water temperature in Ruhnu

Date	Current Year actual* / forecast**	last year	10 years average
Jun 17	54.4°F	59.6°F	57.7°F
Jun 18	55.0°F	60.4°F	58.7°F
Jun 19	55.0°F	59.8°F	58.9°F
Jun 20	55.5°F	60.6°F	59.4°F
Jun 21	54.0°F	60.4°F	59.8°F
Jun 22	54.7°F	60.0°F	60.4°F
Jun 23	54.9°F	60.2°F	60.7°F
Jun 24	55.4°F	60.2°F	61.2°F
Jun 25	55.7°F	62.3°F	61.5°F
Jun 26	54.4°F	63.5°F	61.8°F
Jun 27	55.3°F	66.0°F	63.0°F
Jun 28	54.9°F	66.3°F	63.7°F
Jun 29	55.4°F	68.3°F	64.7°F
Jun 30	55.7°F	68.0°F	65.5°F
Jul 1	55.9°F	66.5°F	65.7°F
Jul 2	55.6°F	66.4°F	65.4°F
Jul 3	55.0°F	66.2°F	64.8°F
Jul 4	55.0°F	66.1°F	64.8°F
Jul 5	54.9°F	65.6°F	64.7°F
Jul 6	54.3°F	65.6°F	64.1°F
Jul 7	54.1°F	65.7°F	63.9°F
Jul 8	53.7°F	64.7°F	63.6°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, 63.5°F in Summer, and 54.5°F in Autumn.