Sea Temperature in Tomakomai in January

Complete information on the sea temperature range in the Sea of Japan in Tomakomai in January. Historical daily data. Climate details for January. Tips on swimming conditions and beach relaxation in Tomakomai. 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 Tomakomai in January

32°F

MINIMUN

40°F

AVERAGE

48°F

MAXIMUM

Historical Data of Water Temperature in January in Tomakomai

Water Temperature Chart for Sea of Japan in Tomakomai in January

Sea Temperature Table in Tomakomai in January Over the Past Years

Day	2024	2023	2022	Average
Jan 1	46°C	48°C	46°C	47°C
Jan 2	46°C	48°C	45°C	46°C
Jan 3	45°C	46°C	45°C	46°C
Jan 4	45°C	46°C	45°C	46°C
Jan 5	45°C	46°C	45°C	46°C
Jan 6	45°C	46°C	43°C	45°C
Jan 7	45°C	46°C	43°C	45°C
Jan 8	45°C	46°C	43°C	45°C
Jan 9	45°C	46°C	43°C	45°C
Jan 10	43°C	46°C	41°C	44°C
Jan 11	43°C	46°C	41°C	44°C
Jan 12	43°C	46°C	41°C	44°C
Jan 13	43°C	46°C	39°C	43°C
Jan 14	43°C	46°C	39°C	43°C
Jan 15	43°C	46°C	39°C	43°C
Jan 16	43°C	46°C	39°C	43°C
Jan 17	41°C	46°C	37°C	42°C
Jan 18	43°C	46°C	37°C	42°C
Jan 19	43°C	45°C	37°C	42°C
Jan 20	43°C	45°C	37°C	42°C
Jan 21	43°C	45°C	36°C	42°C
Jan 22	41°C	45°C	36°C	41°C
Jan 23	43°C	45°C	36°C	41°C
Jan 24	43°C	45°C	36°C	41°C
Jan 25	43°C	45°C	34°C	41°C
Jan 26	43°C	45°C	34°C	41°C
Jan 27	43°C	45°C	34°C	41°C
Jan 28	43°C	45°C	32°C	40°C
Jan 29	43°C	43°C	32°C	40°C
Jan 30	43°C	43°C	32°C	40°C

Tomakomai Climate and Swimming Opportunities in January

30°F

Average Day Air Temperature

19°F

Average Night Air Temperature

4 in

Precipitation Amount per Month

23 days

Number of Rainy Days

9 hrs

Daylight
per Day

3 hrs

Sunshine
per Day

8 mph

Average Wind Speed

74%

Average
humidity

Tomakomai lies within the Hokkaido in Japan. The average daytime temperature in Tomakomai in January is -1°C (31°F), while the nighttime average is -7°C (19°F). There are typically 23 rainy days during the month, with a total precipitation of 103 mm (4.1 inches). The daylight duration in January in Tomakomai is 9 hours, with an average of 3 hours of sunshine per day. The average wind speed in January is 13 km/h (8 mph), and the humidity level is around 74%.

The water temperature in Tomakomai in January ranges from 4°C to 8°C (39°F to 46°F). At the beginning of the month, the average temperature is around 8°C (46°F), shifting to 6°C (43°F) by mid-January and reaching 5°C (41°F) in the last ten days. Overall, the average sea temperature in Tomakomai for January is 6°C (43°F). Very cold water with low air temperature creates extreme swimming conditions. Hypothermia can occur quickly, making it unsafe for most people.

Sea Temperature in January in Nearby Cities

Sapporo

Frequently Asked Questions About Water Temperatures in January in Tomakomai

What is the sea temperature in Tomakomai in January?

The water temperature in the Sea of Japan in Tomakomai in January ranges from 4°C to 8°C (39°F to 46°F).

Is it possible to swim in the Sea of Japan in Tomakomai in January?

The average sea temperature in Tomakomai in January is 6°C (43°F), and the air temperature is -1°C (31°F), so very cold water with low air temperature creates extreme swimming conditions. Hypothermia can occur quickly, making it unsafe for most people.