Sea Temperature in Incheon in January

Complete information on the sea temperature range in the East China Sea in Incheon in January. Historical daily data. Climate details for January. Tips on swimming conditions and beach relaxation in Incheon. 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 Incheon in January

30°F

MINIMUN

38°F

AVERAGE

46°F

MAXIMUM

Historical Data of Water Temperature in January in Incheon

Water Temperature Chart for East China Sea in Incheon in January

Sea Temperature Table in Incheon in January Over the Past Years

Day	2024	2023	2022	Average
Jan 1	46°C	43°C	45°C	45°C
Jan 2	46°C	41°C	45°C	44°C
Jan 3	45°C	41°C	45°C	43°C
Jan 4	46°C	41°C	45°C	44°C
Jan 5	46°C	41°C	45°C	44°C
Jan 6	46°C	41°C	45°C	44°C
Jan 7	45°C	41°C	43°C	43°C
Jan 8	45°C	41°C	45°C	43°C
Jan 9	43°C	41°C	43°C	42°C
Jan 10	43°C	39°C	43°C	42°C
Jan 11	43°C	39°C	43°C	42°C
Jan 12	43°C	39°C	43°C	42°C
Jan 13	43°C	39°C	41°C	41°C
Jan 14	43°C	39°C	41°C	41°C
Jan 15	45°C	39°C	41°C	42°C
Jan 16	45°C	39°C	41°C	42°C
Jan 17	45°C	39°C	41°C	41°C
Jan 18	43°C	39°C	41°C	41°C
Jan 19	43°C	39°C	41°C	41°C
Jan 20	43°C	39°C	41°C	41°C
Jan 21	43°C	39°C	41°C	40°C
Jan 22	41°C	39°C	41°C	40°C
Jan 23	41°C	39°C	41°C	40°C
Jan 24	43°C	39°C	39°C	40°C
Jan 25	43°C	37°C	41°C	40°C
Jan 26	39°C	37°C	39°C	38°C
Jan 27	39°C	37°C	39°C	39°C
Jan 28	39°C	36°C	39°C	38°C
Jan 29	39°C	37°C	39°C	39°C
Jan 30	39°C	36°C	39°C	38°C

Incheon Climate and Swimming Opportunities in January

46°F

Average Day Air Temperature

19°F

Average Night Air Temperature

1 in

Precipitation Amount per Month

8 days

Number of Rainy Days

10 hrs

Daylight
per Day

5 hrs

Sunshine
per Day

5 mph

Average Wind Speed

66%

Average
humidity

Incheon lies within in South Korea. The average daytime temperature in Incheon in January is 8°C (47°F), while the nighttime average is -7°C (20°F). There are typically eight rainy days during the month, with a total precipitation of 22 mm (0.9 inches). The daylight duration in January in Incheon is 10 hours, with an average of 5 hours of sunshine per day. The average wind speed in January is 8 km/h (5 mph), and the humidity level is around 66%.

The water temperature in Incheon in January ranges from 3°C to 7°C (37°F to 45°F). At the beginning of the month, the average temperature is around 7°C (45°F), shifting to 5°C (41°F) by mid-January and reaching 4°C (39°F) in the last ten days. Overall, the average sea temperature in Incheon for January is 5°C (41°F). The water is freezing, and the air is still very cold. Even a brief dip can be risky. A wetsuit is highly recommended.

Sea Temperature in January in Nearby Cities

Frequently Asked Questions About Water Temperatures in January in Incheon

What is the sea temperature in Incheon in January?

The water temperature in the East China Sea in Incheon in January ranges from 3°C to 7°C (37°F to 45°F).

Is it possible to swim in the East China Sea in Incheon in January?

The average sea temperature in Incheon in January is 5°C (41°F), and the air temperature is 8°C (47°F), so the water is freezing, and the air is still very cold. Even a brief dip can be risky. A wetsuit is highly recommended.