All data are in degrees Fahrenheit

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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.
Sea temperature in Jakobstad now

62.1

°F

August 4, 21:10

Trend:

stable

Yesterday:

61.2°F

Tomorrow:

62.0°F

Sunrise:

04:49

Sunset:

22:20

Day Length:

17 h. 31 min.

Jakobstad in August

Minimum:

32.0°F

Average:

32.3°F

Maximum:

34.0°F

Sea water temperature in Jakobstad today

As of now, in Jakobstad, the water temperature is 62.1°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 3.0°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. 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 70.8°F on 2025, while the historical minimum was 60.9°F on 2017.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 61.3°F, the minimum temperature may reach 60.0°F, and the maximum might stay at 62.1°F.

Daily water temperature in Jakobstad

Date Current Year

actual* / forecast**

last year 10 years average
Jul 21 62.3°F 60.9°F 62.9°F
Jul 22 61.6°F 65.0°F 62.7°F
Jul 23 61.6°F 68.3°F 63.7°F
Jul 24 61.4°F 71.0°F 63.8°F
Jul 25 61.5°F 72.4°F 64.0°F
Jul 26 60.8°F 71.3°F 64.7°F
Jul 27 60.8°F 70.2°F 64.5°F
Jul 28 61.0°F 71.4°F 65.4°F
Jul 29 59.8°F 71.1°F 65.0°F
Jul 30 61.5°F 71.6°F 64.9°F
Jul 31 62.1°F 71.3°F 65.5°F
Aug 1 61.1°F 71.7°F 65.0°F
Aug 2 61.0°F 70.3°F 64.3°F
Aug 3 61.2°F 71.4°F 64.4°F
Aug 4 62.1°F 70.8°F 65.1°F
Aug 5 62.0°F 69.8°F 65.0°F
Aug 6 62.1°F 69.0°F 65.0°F
Aug 7 61.6°F 68.1°F 64.5°F
Aug 8 61.4°F 66.5°F 64.4°F
Aug 9 61.1°F 66.2°F 64.1°F
Aug 10 60.6°F 65.7°F 63.6°F
Aug 11 60.0°F 65.1°F 63.0°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, 36.0°F in Spring, 59.8°F in Summer, and 47.2°F in Autumn.