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Incheon in December

Find out everything about the water temperature in Incheon in December. Average, minimum and maximum recorded temperatures as well as daily temperature in December for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in December
Minimum:

41.4 °F

Average:

46.8 °F

Maximum:

54.0 °F

Sea water temperature in Incheon in December

In the city of Incheon, the month of December is too cold for swimming. The minimum recorded temperature during this month was 41.4°F on December 31, 2022, with an average temperature being 46.8°F and a maximum temperature reaching 54.0°F on December 1, 2015.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. Throughout the month of December, the sea temperature gradually gets colder. Starting with an average temperature of 50.1°F at the beginning of the month, it steadily decreases to around 43.9°F by the end.
Date 10 years average 2024 2023
Dec 1 52.3°F 51.4°F 50.8°F
Dec 2 51.6°F 49.1°F 50.2°F
Dec 3 51.3°F 50.4°F 49.6°F
Dec 4 50.7°F 50.0°F 49.0°F
Dec 5 50.0°F 49.8°F 48.4°F
Dec 6 49.7°F 49.4°F 48.6°F
Dec 7 49.5°F 49.1°F 48.4°F
Dec 8 49.0°F 48.5°F 47.3°F
Dec 9 48.7°F 47.8°F 47.0°F
Dec 10 48.4°F 47.7°F 47.1°F
Dec 11 48.1°F 47.4°F 46.8°F
Dec 12 47.7°F 47.0°F 46.6°F
Dec 13 47.4°F 46.9°F 46.1°F
Dec 14 47.0°F 46.3°F 46.1°F
Dec 15 46.7°F 46.3°F 46.0°F
Dec 16 46.5°F 46.5°F 46.0°F
Dec 17 46.0°F 45.4°F 46.0°F
Dec 18 45.6°F 44.6°F 45.7°F
Dec 19 45.4°F 43.8°F 45.8°F
Dec 20 45.1°F 43.8°F 45.5°F
Dec 21 44.9°F 43.8°F 44.2°F
Dec 22 44.8°F 43.5°F 43.9°F
Dec 23 44.6°F 43.3°F 44.0°F
Dec 24 44.4°F 43.0°F 43.8°F
Dec 25 44.4°F 43.1°F 43.9°F
Dec 26 44.0°F 42.7°F 43.3°F
Dec 27 43.8°F 42.4°F 43.4°F
Dec 28 43.4°F 42.1°F 42.7°F
Dec 29 43.2°F 41.9°F 42.6°F
Dec 30 43.0°F 41.6°F 42.1°F
Dec 31 42.7°F 41.3°F 42.1°F

Sea water temperature in Incheon by month

In Incheon, the months July through September offer comfortable swimming conditions, which amounts to 82 swimming days. The warmest water in Incheon was recorded on August 18, 2024, reaching a 85.3°F. While the coldest temperature occurred on February 8, 2023, dipping to 34.3°F. The average readings by season are 41.3°F in Winter, 49.8°F in Spring, 74.1°F in Summer, and 66.9°F in Autumn. December's average temperature is a slight drop from November's average of 57.7°F. In January, the temperature is expected to decrease further, potentially averaging around 39.7°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Bucheon-si 44.0°F 5mi
Ansan-si 44.7°F 11mi
Anyang-si 44.7°F 13mi
Goyang-si 43.7°F 16mi
Hwaseong-si 44.8°F 18mi

* current water temperature in this city

** straight line distance from Incheon