Swim in Jeju Island (Jejudo) in january 2025What is the temperature of the sea in in january?
Average sea temperature in Jeju Island (Jejudo) in january 2025.
In january, according to seasonal norms, the sea temperature in Jeju Island (Jejudo) is:
Minimum: 56°F
Average: 59°F
Maximum: 62°F
Other useful seasonal weather averages in january:
- Outside temperature: 40°F to 45°F
- Most common weather: "Clear/Sunny"
- The wind blows at -0mph
- It rains a total of 3.9in, over 5 day(s).
Should we swim in Jeju Island (Jejudo) in january?
No... The water temperature in Jeju Island (Jejudo) in january is freezing
You won't be able to swim in Jeju Island (Jejudo) in january! The water temperature is freezing, reaching as low as 56°F (and only 62°F at best)! Our advice: if you are going to Jeju Island (Jejudo) this month, plan to sightsee and forget the beach!
Note also that in january, the climate is very bad with an average outside temperature of 43°F, 3.9in of precipitation (over 5 days) and 75.4 % humidity.
Water and normal seasonal temperatures in Jeju Island (Jejudo) in january
| January | |||
| Average sea temperature | 59°F | ||
| Minimum sea temperature | 56°F | ||
| Maximum sea temperature | 62°F | ||
| Average outside temperature | 43°F | ||
| Maximum outside temperature | 47°F | ||
| Minimum outside temperature | 41°F | ||
| Wind speed | 18mph | ||
| Wind temperature | 32°F | ||
| Precipitation | 3.9in | ||
| Number of days of rain | 5 jour(s) (16%) | ||
| Humidity | 76% | ||
| Visibility in kilometers | 7.9km | ||
| Cloud cover | 57% | ||
| Our opinion | freezing swimming |
Swim elsewhere in South Korea in january
| City | Average T° | Min. T° | Max. T° | Our opinion | Busan in january | 59°F | 63°F | freezing swimming | Gangneung in january | 51°F | 56°F | freezing swimming | Incheon in january | 41°F | 47°F | freezing swimming | Pohang in january | 56°F | 60°F | freezing swimming | Sokcho in january | 50°F | 55°F | freezing swimming |