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

April weather forecast and climate
Ansan, South Korea

Sea temperature

In Ansan, South Korea, in April, the average water temperature is 8.4°C (47.1°F).
Note: 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.

Daylight

The average length of the day in April is 13.2h.

What is the sea water temperature in April in Ansan?

In Ansan, South Korea, in April, the average water temperature is 8.4°C (47.1°F). Swimming in 8.4°C (47.1°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in April in Ansan?

In Ansan, South Korea, the average length of the day in April is 13.2h.
Average sea temperature in April - Ansan, South Korea
  • Average sea temperature in April: 8.4°C

The best month for swimming (with the highest average sea temperature) is August (23.4°C).
The coldest month (with the lowest average sea temperature) is February (3.3°C).

Average daylight in April - Ansan, South Korea
  • Average daylight in April: 13.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).