Sea Temperature in Incheon in December

Complete information on the sea temperature range in the East China Sea in Incheon in December. Historical daily data. Climate details for December. 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 December

36°F

MINIMUN

46°F

AVERAGE

57°F

MAXIMUM

Historical Data of Water Temperature in December in Incheon

Water Temperature Chart for East China Sea in Incheon in December

Sea Temperature Table in Incheon in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	55°C	54°C	54°C	54°C
Dec 2	54°C	54°C	54°C	54°C
Dec 3	55°C	52°C	54°C	52°C
Dec 4	55°C	52°C	54°C	53°C
Dec 5	54°C	52°C	54°C	53°C
Dec 6	54°C	52°C	52°C	52°C
Dec 7	54°C	48°C	52°C	51°C
Dec 8	52°C	54°C	50°C	52°C
Dec 9	52°C	52°C	48°C	51°C
Dec 10	52°C	48°C	50°C	51°C
Dec 11	50°C	50°C	50°C	51°C
Dec 12	52°C	50°C	50°C	51°C
Dec 13	52°C	50°C	50°C	51°C
Dec 14	50°C	50°C	50°C	51°C
Dec 15	50°C	50°C	50°C	51°C
Dec 16	50°C	50°C	48°C	50°C
Dec 17	50°C	50°C	48°C	50°C
Dec 18	50°C	48°C	46°C	49°C
Dec 19	50°C	50°C	46°C	49°C
Dec 20	50°C	48°C	46°C	49°C
Dec 21	48°C	50°C	48°C	49°C
Dec 22	48°C	48°C	46°C	48°C
Dec 23	50°C	48°C	46°C	48°C
Dec 24	48°C	48°C	46°C	48°C
Dec 25	48°C	46°C	45°C	46°C
Dec 26	48°C	46°C	45°C	47°C
Dec 27	48°C	46°C	45°C	46°C
Dec 28	46°C	45°C	45°C	46°C
Dec 29	46°C	45°C	45°C	46°C
Dec 30	45°C	45°C	43°C	45°C

Incheon Climate and Swimming Opportunities in December

52°F

Average Day Air Temperature

25°F

Average Night Air Temperature

1 in

Precipitation Amount per Month

8 days

Number of Rainy Days

9 hrs

Daylight
per Day

5 hrs

Sunshine
per Day

5 mph

Average Wind Speed

68%

Average
humidity

Incheon lies within in South Korea. The average daytime temperature in Incheon in December is 11°C (51°F), while the nighttime average is -4°C (26°F). There are typically eight rainy days during the month, with a total precipitation of 23 mm (0.9 inches). The daylight duration in December in Incheon is 9 hours, with an average of 5 hours of sunshine per day. The average wind speed in December is 8 km/h (5 mph), and the humidity level is around 68%.

The water temperature in Incheon in December ranges from 7°C to 12°C (45°F to 54°F). At the beginning of the month, the average temperature is around 12°C (54°F), shifting to 10°C (50°F) by mid-December and reaching 8°C (46°F) in the last ten days. Overall, the average sea temperature in Incheon for December is 10°C (50°F). The water is frigid, but with warmer air, it might be tolerable for a quick swim. Wetsuits are recommended.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Incheon

What is the sea temperature in Incheon in December?

The water temperature in the East China Sea in Incheon in December ranges from 7°C to 12°C (45°F to 54°F).

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

The average sea temperature in Incheon in December is 10°C (50°F), and the air temperature is 11°C (51°F), so the water is frigid, but with warmer air, it might be tolerable for a quick swim. Wetsuits are recommended.