What is the current water temperature in Jakobstad?

Q: What is the current water temperature in Jakobstad?

As of now, in Jakobstad, the water temperature is -0.01°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 > Jakobstad

Water temperature in Jakobstad

Detailed information about the current water temperature in Jakobstad. 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.

32.0

°F

January 14, 08:25

Trend:

stable

Yesterday:

32.0°F

Tomorrow:

32.3°F

Sunrise:

09:54

Sunset:

15:23

Day Length:

5 h. 29 min.

Jakobstad in January

Minimum:

32.0°F

Average:

33.1°F

Maximum:

34.7°F

Sea water temperature in Jakobstad today

As of now, in Jakobstad, the water temperature is 32.0°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 0.2°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 rise a bit.

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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 33.2°F on 2018, while the historical minimum was 32.0°F on 2016.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 32.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Jakobstad

Date	Current Year actual* / forecast**	last year	10 years average
Jan 1	33.6°F	32.0°F	33.1°F
Jan 2	32.9°F	32.0°F	32.8°F
Jan 3	32.7°F	32.0°F	32.7°F
Jan 4	32.4°F	32.0°F	32.6°F
Jan 5	32.5°F	32.0°F	32.5°F
Jan 6	32.4°F	32.0°F	32.5°F
Jan 7	32.0°F	32.0°F	32.4°F
Jan 8	32.0°F	32.0°F	32.3°F
Jan 9	32.0°F	32.0°F	32.5°F
Jan 10	32.0°F	32.0°F	32.3°F
Jan 11	32.0°F	32.0°F	32.2°F
Jan 12	32.0°F	32.0°F	32.3°F
Jan 13	32.0°F	32.0°F	32.2°F
Jan 14	32.0°F	32.0°F	32.2°F
Jan 15	32.3°F	32.2°F	32.3°F
Jan 16	32.2°F	32.1°F	32.2°F
Jan 17	32.5°F	34.6°F	32.5°F
Jan 18	32.4°F	34.3°F	32.4°F
Jan 19	32.2°F	32.5°F	32.2°F
Jan 20	32.2°F	32.4°F	32.2°F
Jan 21	32.3°F	32.3°F	32.3°F
Dec 31	33.8°F	32.0°F	33.3°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 Jakobstad by month

In an average year, Jakobstad offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Jakobstad was recorded on July 25, 2025, reaching a 72.4°F. While the coldest temperature occurred on January 1, 2023, dipping to 32.0°F. The average readings by season are 33.2°F in Winter, 35.6°F in Spring, 59.7°F in Summer, and 47.2°F in Autumn.