All data are in degrees Fahrenheit

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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

54.7

°F

July 1, 04:33

Trend:

stable

Yesterday:

54.7°F

Tomorrow:

54.7°F

Sunrise:

04:00

Sunset:

22:48

Day Length:

18 h. 48 min.

Helsinki in July

Minimum:

32.2°F

Average:

35.0°F

Maximum:

37.9°F

Sea water temperature in Helsinki today

As of now, in Helsinki, the water temperature is 54.7°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 5.2°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 stay about the same.

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 67.5°F on 2020, while the historical minimum was 51.8°F on 2017.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 55.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Helsinki

Date Current Year

actual* / forecast**

last year 10 years average
Jun 17 54.7°F 56.2°F 56.4°F
Jun 18 55.8°F 55.6°F 56.9°F
Jun 19 53.4°F 57.4°F 57.0°F
Jun 20 53.6°F 58.2°F 57.1°F
Jun 21 53.6°F 57.0°F 57.1°F
Jun 22 54.2°F 56.6°F 57.4°F
Jun 23 55.0°F 56.2°F 57.4°F
Jun 24 54.8°F 57.1°F 57.9°F
Jun 25 54.5°F 58.9°F 58.4°F
Jun 26 53.9°F 60.3°F 59.0°F
Jun 27 53.8°F 59.6°F 58.9°F
Jun 28 53.6°F 60.2°F 58.9°F
Jun 29 53.4°F 59.4°F 58.9°F
Jun 30 54.7°F 60.5°F 59.9°F
Jul 1 54.7°F 59.7°F 60.0°F
Jul 2 54.7°F 60.4°F 60.0°F
Jul 3 55.1°F 60.1°F 60.3°F
Jul 4 55.3°F 59.8°F 60.6°F
Jul 5 55.8°F 62.0°F 61.0°F
Jul 6 55.3°F 59.9°F 60.5°F
Jul 7 54.7°F 60.2°F 59.9°F
Jul 8 54.2°F 57.1°F 59.5°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, 38.4°F in Spring, 60.2°F in Summer, and 51.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Porvoo 55.8°F 29mi
Maardu 57.8°F 49mi
Tallinn 58.2°F 51mi
Loo 57.9°F 51mi
Paldiski 58.6°F 64mi

* current water temperature in this city

** straight line distance from Helsinki