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

December weather forecast and climate
Ansan, South Korea

Sea temperature

In December, the average sea temperature in Ansan, South Korea, is 8.8°C (47.8°F).
Note: Swimming in 8.8°C (47.8°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.

Daylight

December has the shortest days of the year in Ansan, with an average of 9.6h of daylight.

What is the sea water temperature in December in Ansan?

In Ansan, in December, the average water temperature is 8.8°C (47.8°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.

What is the month with the shortest days in Ansan?

December has the shortest days of the year in Ansan, South Korea, with an average of 9.6h of daylight.

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

In Ansan, South Korea, the average length of the day in December is 9.6h.
Average sea temperature in December - Ansan, South Korea
  • Average sea temperature in December: 8.8°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 December - Ansan, South Korea
  • Average daylight in December: 9.6h

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