South Korea
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Gwangyang, South Korea

Sea temperature

In Gwangyang, South Korea, in April, the average water temperature is 12.8°C (55°F).
Note: Swimming in 12.8°C (55°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.


The average length of the day in April in Gwangyang is 13.1h.

What is the sea water temperature in April in Gwangyang?

In Gwangyang, the average seawater temperature in April is 12.8°C (55°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

How many hours of daylight does Gwangyang have in April?

The average length of the day in April in Gwangyang is 13.1h.
Average sea temperature in April - Gwangyang, South Korea
  • Average sea temperature in April: 12.8°C

The best month for swimming (with the highest average sea temperature) is August (25.6°C).
The coldest month (with the lowest average sea temperature) is March (11°C).

Average daylight in April - Gwangyang, South Korea
  • Average daylight in April: 13.1h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).