Sea Temperature in Mariehamn in January

Complete information on the sea temperature range in the Baltic Sea in Mariehamn in January. Historical daily data. Climate details for January. Tips on swimming conditions and beach relaxation in Mariehamn. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Mariehamn in January

30°F

MINIMUN

36°F

AVERAGE

41°F

MAXIMUM

Historical Data of Water Temperature in January in Mariehamn

Water Temperature Chart for Baltic Sea in Mariehamn in January

Sea Temperature Table in Mariehamn in January Over the Past Years

Day	2024	2023	2022	Average
Jan 1	41°C	36°C	34°C	37°C
Jan 2	39°C	30°C	36°C	36°C
Jan 3	39°C	37°C	32°C	37°C
Jan 4	39°C	37°C	34°C	37°C
Jan 5	39°C	37°C	37°C	38°C
Jan 6	39°C	34°C	30°C	35°C
Jan 7	39°C	30°C	32°C	34°C
Jan 8	39°C	34°C	36°C	36°C
Jan 9	39°C	30°C	30°C	34°C
Jan 10	39°C	37°C	32°C	36°C
Jan 11	37°C	36°C	32°C	35°C
Jan 12	37°C	37°C	34°C	36°C
Jan 13	37°C	32°C	34°C	35°C
Jan 14	39°C	34°C	32°C	35°C
Jan 15	39°C	34°C	30°C	35°C
Jan 16	39°C	36°C	37°C	37°C
Jan 17	37°C	30°C	34°C	34°C
Jan 18	37°C	37°C	36°C	37°C
Jan 19	37°C	37°C	36°C	37°C
Jan 20	37°C	30°C	34°C	34°C
Jan 21	37°C	37°C	32°C	36°C
Jan 22	37°C	36°C	36°C	36°C
Jan 23	36°C	37°C	32°C	35°C
Jan 24	36°C	32°C	34°C	34°C
Jan 25	36°C	30°C	30°C	33°C
Jan 26	37°C	36°C	30°C	35°C
Jan 27	37°C	36°C	34°C	35°C
Jan 28	37°C	37°C	32°C	35°C
Jan 29	39°C	34°C	32°C	35°C
Jan 30	37°C	30°C	36°C	34°C

Mariehamn Climate and Swimming Opportunities in January

25°F

Average Day Air Temperature

19°F

Average Night Air Temperature

2 in

Precipitation Amount per Month

12 days

Number of Rainy Days

6 hrs

Daylight
per Day

1 hrs

Sunshine
per Day

12 mph

Average Wind Speed

88%

Average
humidity

Mariehamn lies within the Åland in Finland. The average daytime temperature in Mariehamn in January is -4°C (25°F), while the nighttime average is -7°C (20°F). There are typically 12 rainy days during the month, with a total precipitation of 54 mm (2.1 inches). The daylight duration in January in Mariehamn is 6 hours, with an average of 1 hours of sunshine per day. The average wind speed in January is 19 km/h (12 mph), and the humidity level is around 88%.

The water temperature in Mariehamn in January ranges from 0°C to 3°C (32°F to 37°F). At the beginning of the month, the average temperature is around 2°C (36°F), shifting to 2°C (36°F) by mid-January and reaching 2°C (36°F) in the last ten days. Overall, the average sea temperature in Mariehamn for January is 2°C (36°F). Swimming in such conditions is extremely dangerous due to the risk of hypothermia and cold shock. Only experienced winter swimmers with proper preparation should attempt it.

Sea Temperature in January in Nearby Cities

Frequently Asked Questions About Water Temperatures in January in Mariehamn

What is the sea temperature in Mariehamn in January?

The water temperature in the Baltic Sea in Mariehamn in January ranges from 0°C to 3°C (32°F to 37°F).

Is it possible to swim in the Baltic Sea in Mariehamn in January?

The average sea temperature in Mariehamn in January is 2°C (36°F), and the air temperature is -4°C (25°F), so swimming in such conditions is extremely dangerous due to the risk of hypothermia and cold shock. Only experienced winter swimmers with proper preparation should attempt it.