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 14.23°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.

57.6

°F

June 23, 11:35

Trend:

stable

Yesterday:

57.7°F

Tomorrow:

57.8°F

Sunrise:

03:08

Sunset:

23:54

Day Length:

20 h. 46 min.

Jakobstad in June

Minimum:

32.0°F

Average:

32.5°F

Maximum:

33.5°F

Sea water temperature in Jakobstad today

As of now, in Jakobstad, the water temperature is 57.6°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 0.6°F higher 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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 64.5°F on 2023, while the historical minimum was 50.8°F on 2017.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 59.4°F, with minimum temperature starting at 57.8°F, while the maximum might reach 61.1°F.

Daily water temperature in Jakobstad

Date	Current Year actual* / forecast**	last year	10 years average
Jun 9	55.9°F	51.8°F	51.0°F
Jun 10	56.3°F	52.4°F	51.0°F
Jun 11	56.4°F	53.3°F	51.5°F
Jun 12	55.9°F	52.4°F	52.3°F
Jun 13	54.8°F	54.4°F	53.2°F
Jun 14	54.6°F	54.5°F	53.4°F
Jun 15	55.1°F	54.6°F	54.1°F
Jun 16	54.9°F	53.5°F	55.3°F
Jun 17	54.6°F	53.5°F	55.1°F
Jun 18	54.8°F	54.7°F	55.3°F
Jun 19	54.0°F	56.4°F	55.9°F
Jun 20	56.0°F	57.8°F	56.4°F
Jun 21	57.0°F	58.7°F	56.7°F
Jun 22	57.7°F	57.2°F	57.2°F
Jun 23	57.6°F	56.6°F	57.0°F
Jun 24	57.8°F	56.2°F	57.3°F
Jun 25	58.0°F	55.7°F	57.4°F
Jun 26	58.5°F	51.4°F	57.9°F
Jun 27	59.7°F	50.8°F	59.1°F
Jun 28	60.0°F	51.0°F	59.4°F
Jun 29	60.7°F	51.5°F	60.1°F
Jun 30	61.1°F	54.0°F	60.5°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 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.