All data are in degrees Fahrenheit

en

Water temperature in Helsinki

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

58.9

°F

August 24, 02:38

Trend:

stable

Yesterday:

58.9°F

Tomorrow:

58.6°F

Sunrise:

05:54

Sunset:

20:50

Day Length:

14 h. 56 min.

Helsinki in August

Minimum:

32.0°F

Average:

34.7°F

Maximum:

37.8°F

Sea water temperature in Helsinki today

As of now, in Helsinki, the water temperature is 58.9°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 4.0°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 reading indicates a minor change compared to the average water temperature of the last two weeks, but the overall trend remains steady. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 68.4°F on 2022, while the historical minimum was 59.3°F on 2021.

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 58.0°F, the minimum temperature may reach 57.6°F, and the maximum might stay at 58.6°F.

Daily water temperature in Helsinki

Date Current Year

actual* / forecast**

last year 10 years average
Aug 10 61.5°F 70.9°F 63.0°F
Aug 11 61.6°F 70.5°F 62.6°F
Aug 12 60.5°F 65.0°F 62.2°F
Aug 13 57.7°F 63.9°F 62.1°F
Aug 14 57.9°F 62.6°F 62.3°F
Aug 15 57.8°F 63.4°F 62.1°F
Aug 16 58.7°F 63.5°F 62.8°F
Aug 17 58.5°F 62.0°F 62.9°F
Aug 18 58.5°F 60.5°F 63.0°F
Aug 19 59.5°F 61.3°F 63.4°F
Aug 20 58.7°F 59.6°F 62.8°F
Aug 21 57.6°F 57.7°F 62.4°F
Aug 22 58.4°F 56.5°F 62.3°F
Aug 23 58.9°F 60.0°F 62.9°F
Aug 24 58.9°F 59.4°F 62.9°F
Aug 25 58.6°F 60.3°F 62.6°F
Aug 26 58.3°F 57.8°F 62.3°F
Aug 27 58.2°F 58.7°F 62.2°F
Aug 28 57.8°F 57.3°F 61.8°F
Aug 29 57.7°F 58.8°F 61.7°F
Aug 30 57.8°F 59.0°F 61.8°F
Aug 31 57.6°F 59.1°F 61.5°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 Helsinki by month

In an average year, Helsinki offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Helsinki was recorded on July 17, 2021, reaching a 75.7°F. While the coldest temperature occurred on January 8, 2022, dipping to 32.0°F. The average readings by season are 35.2°F in Winter, 38.5°F in Spring, 60.5°F in Summer, and 51.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Porvoo 59.5°F 29mi
Maardu 64.0°F 49mi
Tallinn 64.3°F 51mi
Loo 64.0°F 51mi
Paldiski 64.1°F 64mi

* current water temperature in this city

** straight line distance from Helsinki