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 16.38°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

61.5

°F

August 7, 21:36

Trend:

decreasing

Yesterday:

62.7°F

Tomorrow:

61.3°F

Sunrise:

04:58

Sunset:

22:11

Day Length:

17 h. 13 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 61.5°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 3.1°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 water temperature closely matches the previous two weeks' average, indicating a stable trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 68.1°F on 2025, while the historical minimum was 60.7°F on 2017.

latest data

last year

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 60.3°F, the minimum temperature may reach 59.7°F, and the maximum might stay at 61.3°F.

Daily water temperature in Jakobstad

Date	Current Year actual* / forecast**	last year	10 years average
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	64.8°F
Aug 5	62.4°F	69.8°F	64.7°F
Aug 6	62.7°F	69.0°F	64.8°F
Aug 7	61.5°F	68.1°F	64.5°F
Aug 8	61.3°F	66.5°F	64.4°F
Aug 9	61.0°F	66.2°F	64.1°F
Aug 10	60.5°F	65.7°F	63.6°F
Aug 11	59.9°F	65.1°F	63.0°F
Aug 12	59.7°F	64.1°F	62.7°F
Aug 13	59.9°F	63.5°F	62.9°F
Aug 14	59.7°F	64.2°F	62.8°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 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, 59.7°F in Summer, and 47.2°F in Autumn.