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

April weather forecast and climate
Gunsan, South Korea

Sea temperature

In Gunsan, South Korea, the average seawater temperature in April is 9°C (48.2°F).
Note: Swimming in 9°C (48.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Gunsan, the average length of the day in April is 13.1h.

What is the water temperature in April in Gunsan?

In Gunsan, the average seawater temperature in April is 9°C (48.2°F). Swimming in 9°C (48.2°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.

How many hours of daylight does Gunsan have in April?

The average length of the day in April in Gunsan is 13.1h.
Average sea temperature in April - Gunsan, South Korea
  • Average sea temperature in April: 9°C

The best month for swimming (with the highest average sea temperature) is August (25.2°C).
The coldest month (with the lowest average sea temperature) is February (5.3°C).

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

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.8h).