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 0.04°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.

32.1

°F

January 21, 08:51

Trend:

stable

Yesterday:

32.0°F

Tomorrow:

32.1°F

Sunrise:

09:38

Sunset:

15:44

Day Length:

6 h. 6 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 32.1°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 stay about the same.

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 32.8°F on 2018, while the historical minimum was 32.0°F on 2019.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 31.9°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 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	32.0°F	32.2°F	32.2°F
Jan 16	32.0°F	32.1°F	32.1°F
Jan 17	32.0°F	34.6°F	32.5°F
Jan 18	32.0°F	34.3°F	32.3°F
Jan 19	32.0°F	32.5°F	32.2°F
Jan 20	32.0°F	32.4°F	32.2°F
Jan 21	32.1°F	32.3°F	32.3°F
Jan 22	32.1°F	32.1°F	32.3°F
Jan 23	31.8°F	32.0°F	32.0°F
Jan 24	31.9°F	32.0°F	32.1°F
Jan 25	31.9°F	32.0°F	32.1°F
Jan 26	31.9°F	32.0°F	32.1°F
Jan 27	32.1°F	32.0°F	32.3°F
Jan 28	32.0°F	32.0°F	32.2°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.