Swimming in Jeju Island (Jejudo) in may 2025: Average sea temperature in may and tide times in may 2025
Average sea temperature in Jeju Island (Jejudo) in may 2025.
In may, according to seasonal norms, the sea temperature in Jeju Island (Jejudo) is:
Minimum: 58°F
Average: 62°F
Maximum: 68°F
Other useful seasonal weather averages in may:
- Outside temperature: 60°F to 67°F
- Most common weather: "Clear/Sunny"
- The wind blows at 9.3mph
- It rains a total of 6.1in, over 5 day(s).
Should we swim in Jeju Island (Jejudo) in may?
No... The water temperature in Jeju Island (Jejudo) in may is cold
Swimming in Jeju Island (Jejudo) in may is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average sea temperature of 62°F (minimum: 58°F - maximum: 68°F).
Note also that in may, the climate is good with an average outside temperature of 64°F, 6in of precipitation (over 5 days) and 80.24 % humidity.
Water and normal seasonal temperatures in Jeju Island (Jejudo) in may
| May | |||
| Average sea temperature | 62°F | ||
| Minimum sea temperature | 58°F | ||
| Maximum sea temperature | 68°F | ||
| Average outside temperature | 65°F | ||
| Maximum outside temperature | 68°F | ||
| Minimum outside temperature | 61°F | ||
| Wind speed | 13.1mph | ||
| Wind temperature | 59°F | ||
| Precipitation | 6.1in | ||
| Number of days of rain | 5 jour(s) (17%) | ||
| Humidity | 81% | ||
| Visibility in kilometers | 9.43km | ||
| Cloud cover | 37% | ||
| Our opinion | cold swimming |
Chart of the tides in may 2025
Tide times in may 2025 in Jeju Island (Jejudo)
Swim elsewhere in South Korea in may
| City | Average T° | Min. T° | Max. T° | Our opinion | Busan in may | 63°F | 67°F | cold swimming | Gangneung in may | 59°F | 65°F | freezing swimming | Incheon in may | 56°F | 64°F | freezing swimming | Pohang in may | 61°F | 65°F | cold swimming | Sokcho in may | 59°F | 65°F | freezing swimming |