Jeju City in January
Find out everything about the water temperature in Jeju City in January. Average, minimum and maximum recorded temperatures as well as daily temperature in January for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in January
Minimum:
55.1 °F
Average:
59.7 °F
Maximum:
62.2 °F
Sea water temperature in Jeju City in January
In the city of Jeju City, the month of January is too cold for swimming. The minimum recorded temperature during this month was 55.1°F on January 29, 2015, with an average temperature being 59.7°F and a maximum temperature reaching 62.2°F on January 1, 2019.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Jan 1 | 60.8°F | 61.7°F | 61.3°F |
| Jan 2 | 60.7°F | 61.5°F | 61.4°F |
| Jan 3 | 60.7°F | 61.3°F | 61.3°F |
| Jan 4 | 60.7°F | 61.6°F | 60.6°F |
| Jan 5 | 60.7°F | 62.2°F | 62.1°F |
| Jan 6 | 60.7°F | 61.4°F | 60.8°F |
| Jan 7 | 60.6°F | 62.0°F | 61.5°F |
| Jan 8 | 60.6°F | 61.8°F | 61.2°F |
| Jan 9 | 60.6°F | 61.5°F | 62.0°F |
| Jan 10 | 60.3°F | 61.3°F | 61.3°F |
| Jan 11 | 60.2°F | 61.4°F | 61.0°F |
| Jan 12 | 60.2°F | 61.4°F | 61.1°F |
| Jan 13 | 60.0°F | 60.5°F | 61.1°F |
| Jan 14 | 60.0°F | 61.3°F | 60.9°F |
| Jan 15 | 60.0°F | 61.4°F | 60.7°F |
| Jan 16 | 59.9°F | 61.0°F | 60.5°F |
| Jan 17 | 59.7°F | 60.9°F | 60.2°F |
| Jan 18 | 59.6°F | 60.8°F | 60.1°F |
| Jan 19 | 59.6°F | 60.6°F | 60.1°F |
| Jan 20 | 59.5°F | 60.5°F | 60.5°F |
| Jan 21 | 59.3°F | 60.3°F | 60.2°F |
| Jan 22 | 59.0°F | 60.0°F | 60.1°F |
| Jan 23 | 58.9°F | 59.7°F | 59.5°F |
| Jan 24 | 58.8°F | 59.7°F | 59.3°F |
| Jan 25 | 58.7°F | 59.6°F | 59.3°F |
| Jan 26 | 58.6°F | 59.5°F | 59.1°F |
| Jan 27 | 58.5°F | 59.3°F | 58.9°F |
| Jan 28 | 58.5°F | 59.1°F | 58.9°F |
| Jan 29 | 58.5°F | 59.3°F | 59.2°F |
| Jan 30 | 58.4°F | 59.0°F | 58.8°F |
| Jan 31 | 58.0°F | 58.7°F | 58.3°F |
In Jeju City, the months July through September offer comfortable swimming conditions, which amounts to 95 swimming days.
The warmest water in Jeju City was recorded on August 14, 2016, reaching a 86.5°F. While the coldest temperature occurred on March 12, 2015, dipping to 53.5°F. The average readings by season are 60.0°F in Winter, 59.5°F in Spring, 75.3°F in Summer, and 72.2°F in Autumn.
January's average temperature is a slight drop from December's average of 62.6°F. In February, the temperature is expected to decrease further, potentially averaging around 57.6°F.