What is the current water temperature in Helsinki?

Q: What is the current water temperature in Helsinki?

As of now, in Helsinki, the water temperature is 3.15°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.

Finland > Helsinki

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.

37.7

°F

December 22, 06:59

Trend:

decreasing

Yesterday:

37.7°F

Tomorrow:

37.7°F

Sunrise:

09:25

Sunset:

15:14

Day Length:

5 h. 49 min.

Helsinki in December

Minimum:

32.2°F

Average:

34.9°F

Maximum:

37.2°F

Sea water temperature in Helsinki today

As of now, in Helsinki, the water temperature is 37.7°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 about the same as 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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 40.0°F on 2015, while the historical minimum was 34.8°F on 2021.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 37.4°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
Dec 8	39.3°F	36.4°F	39.5°F
Dec 9	40.0°F	36.4°F	39.4°F
Dec 10	39.7°F	36.2°F	39.3°F
Dec 11	38.0°F	36.2°F	39.2°F
Dec 12	38.6°F	36.1°F	38.9°F
Dec 13	38.2°F	35.9°F	38.7°F
Dec 14	38.3°F	36.0°F	38.6°F
Dec 15	38.4°F	36.1°F	38.4°F
Dec 16	38.8°F	34.4°F	38.1°F
Dec 17	38.1°F	35.6°F	38.2°F
Dec 18	37.8°F	33.5°F	37.9°F
Dec 19	38.1°F	34.1°F	38.0°F
Dec 20	38.1°F	34.4°F	38.3°F
Dec 21	37.7°F	35.7°F	37.7°F
Dec 22	37.7°F	35.7°F	37.6°F
Dec 23	37.7°F	35.5°F	37.6°F
Dec 24	37.6°F	35.4°F	37.6°F
Dec 25	37.6°F	35.4°F	37.5°F
Dec 26	37.3°F	35.4°F	37.3°F
Dec 27	37.2°F	35.5°F	37.2°F
Dec 28	37.3°F	35.3°F	37.3°F
Dec 29	36.9°F	35.3°F	36.8°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, 38.3°F in Spring, 60.2°F in Summer, and 51.1°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Porvoo	36.5°F	29mi
Maardu	40.9°F	49mi
Tallinn	40.0°F	51mi
Loo	40.8°F	51mi
Paldiski	40.5°F	64mi

* current water temperature in this city

** straight line distance from Helsinki