Search for cities, countries, lakes and rivers
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
2°C
MINIMUN
8°C
AVERAGE
14°C
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 | 13°C | 12°C | 12°C | 12.0°C |
Dec 2 | 12°C | 12°C | 12°C | 12.0°C |
Dec 3 | 13°C | 11°C | 12°C | 11.3°C |
Dec 4 | 13°C | 11°C | 12°C | 11.5°C |
Dec 5 | 12°C | 11°C | 12°C | 11.8°C |
Dec 6 | 12°C | 11°C | 11°C | 11.3°C |
Dec 7 | 12°C | 9°C | 11°C | 10.8°C |
Dec 8 | 11°C | 12°C | 10°C | 11.0°C |
Dec 9 | 11°C | 11°C | 9°C | 10.3°C |
Dec 10 | 11°C | 9°C | 10°C | 10.3°C |
Dec 11 | 10°C | 10°C | 10°C | 10.3°C |
Dec 12 | 11°C | 10°C | 10°C | 10.5°C |
Dec 13 | 11°C | 10°C | 10°C | 10.5°C |
Dec 14 | 10°C | 10°C | 10°C | 10.3°C |
Dec 15 | 10°C | 10°C | 10°C | 10.3°C |
Dec 16 | 10°C | 10°C | 9°C | 9.8°C |
Dec 17 | 10°C | 10°C | 9°C | 9.8°C |
Dec 18 | 10°C | 9°C | 8°C | 9.3°C |
Dec 19 | 10°C | 10°C | 8°C | 9.3°C |
Dec 20 | 10°C | 9°C | 8°C | 9.3°C |
Dec 21 | 9°C | 10°C | 9°C | 9.5°C |
Dec 22 | 9°C | 9°C | 8°C | 8.8°C |
Dec 23 | 10°C | 9°C | 8°C | 9.0°C |
Dec 24 | 9°C | 9°C | 8°C | 8.8°C |
Dec 25 | 9°C | 8°C | 7°C | 8.0°C |
Dec 26 | 9°C | 8°C | 7°C | 8.3°C |
Dec 27 | 9°C | 8°C | 7°C | 8.0°C |
Dec 28 | 8°C | 7°C | 7°C | 7.5°C |
Dec 29 | 8°C | 7°C | 7°C | 7.5°C |
Dec 30 | 7°C | 7°C | 6°C | 7.0°C |



Incheon Climate and Swimming Opportunities in December
11°C
Average Day Air Temperature
-4°C
Average Night Air Temperature
23 mm
Precipitation Amount per Month
8 days
Number of Rainy Days
9 hrs
Daylight
per Day
5 hrs
Sunshine
per Day
8 km/h
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.
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.