Swimming in Jeju Island (Jejudo) in november 2025: Average sea temperature in november and tide times in november 2025
Average sea temperature in Jeju Island (Jejudo) in november 2025.
In november, according to seasonal norms, the sea temperature in Jeju Island (Jejudo) is:
Minimum: 62°F
Average: 66°F
Maximum: 71°F
Other useful seasonal weather averages in november:
- Outside temperature: 54°F to 60°F
- Most common weather: "Clear/Sunny"
- The wind blows at 6.8mph
- It rains a total of 4.1in, over 5 day(s).
Should we swim in Jeju Island (Jejudo) in november?
Yes... and no. The water temperature in Jeju Island (Jejudo) in november is cool
Swimming in november on the beaches of Jeju Island (Jejudo) is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 71°F, it can also be as low as 62°F! Note that the average is 66°F.
Note also that in november, the climate is good with an average outside temperature of 57°F, 4.1in of precipitation (over 5 days) and 73.89 % humidity.
Water and normal seasonal temperatures in Jeju Island (Jejudo) in november
| November | |||
| Average sea temperature | 66°F | ||
| Minimum sea temperature | 62°F | ||
| Maximum sea temperature | 71°F | ||
| Average outside temperature | 58°F | ||
| Maximum outside temperature | 61°F | ||
| Minimum outside temperature | 56°F | ||
| Wind speed | 15.5mph | ||
| Wind temperature | 52°F | ||
| Precipitation | 4.1in | ||
| Number of days of rain | 5 jour(s) (17%) | ||
| Humidity | 74% | ||
| Visibility in kilometers | 9.46km | ||
| Cloud cover | 44% | ||
| Our opinion | cool swimming |
Chart of the tides in november 2025
Tide times in november 2025 in Jeju Island (Jejudo)
Swim elsewhere in South Korea in november
| City | Average T° | Min. T° | Max. T° | Our opinion | Busan in november | 68°F | 72°F | cool swimming | Gangneung in november | 60°F | 65°F | cold swimming | Incheon in november | 57°F | 64°F | freezing swimming | Pohang in november | 66°F | 72°F | cool swimming | Sokcho in november | 59°F | 64°F | freezing swimming |