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Incheon in October

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

59.7 °F

Average:

67.6 °F

Maximum:

75.9 °F

Sea water temperature in Incheon in October

In the city of Incheon, the month of October is somewhat comfortable for swimming. The minimum recorded temperature during this month was 59.7°F on October 30, 2022, with an average temperature being 67.6°F and a maximum temperature reaching 75.9°F on October 2, 2024.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. Throughout the month of October, the sea temperature gradually gets colder. Starting with an average temperature of 71.0°F at the beginning of the month, it steadily decreases to around 64.3°F by the end.
Date 10 years average 2024 2023
Oct 1 72.4°F 75.4°F 73.7°F
Oct 2 72.1°F 75.9°F 73.4°F
Oct 3 71.5°F 74.9°F 72.4°F
Oct 4 71.3°F 74.2°F 72.3°F
Oct 5 71.2°F 73.8°F 71.7°F
Oct 6 70.8°F 72.7°F 72.1°F
Oct 7 70.5°F 72.1°F 71.6°F
Oct 8 70.1°F 71.5°F 71.0°F
Oct 9 70.1°F 70.7°F 70.6°F
Oct 10 69.8°F 70.4°F 69.7°F
Oct 11 69.5°F 70.5°F 69.7°F
Oct 12 69.0°F 70.7°F 69.5°F
Oct 13 68.4°F 70.7°F 68.8°F
Oct 14 67.8°F 70.1°F 68.2°F
Oct 15 67.7°F 69.6°F 68.8°F
Oct 16 67.5°F 69.9°F 68.3°F
Oct 17 67.3°F 69.4°F 68.0°F
Oct 18 67.0°F 69.5°F 67.8°F
Oct 19 66.5°F 69.6°F 67.1°F
Oct 20 66.3°F 68.5°F 66.7°F
Oct 21 65.9°F 67.9°F 66.5°F
Oct 22 65.6°F 67.5°F 66.1°F
Oct 23 65.4°F 67.2°F 65.7°F
Oct 24 65.0°F 66.6°F 64.6°F
Oct 25 64.7°F 65.9°F 63.8°F
Oct 26 64.5°F 65.6°F 65.0°F
Oct 27 64.0°F 65.1°F 64.4°F
Oct 28 63.8°F 65.0°F 63.9°F
Oct 29 63.2°F 64.5°F 63.9°F
Oct 30 62.8°F 64.7°F 63.7°F
Oct 31 62.5°F 65.1°F 63.1°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. October's average temperature is a slight drop from September's average of 75.5°F. In November, the temperature is expected to decrease further, potentially averaging around 57.7°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Bucheon-si 56.7°F 5mi
Ansan-si 56.8°F 11mi
Anyang-si 56.8°F 13mi
Goyang-si 54.9°F 16mi
Hwaseong-si 56.9°F 18mi

* current water temperature in this city

** straight line distance from Incheon