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

October weather forecast and climate
Ansan, South Korea

Sea temperature

In October, the average sea temperature in Ansan, South Korea, is 18.5°C (65.3°F).
Note: Swimming in 18.5°C (65.3°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

In October, the average length of the day is 11.2h.

How cold is the water in October in Ansan?

In Ansan, in October, the average water temperature is 18.5°C (65.3°F). Swimming in 18.5°C (65.3°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

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

In October, the average length of the day in Ansan, South Korea, is 11.2h.
Average sea temperature in October - Ansan, South Korea
  • Average sea temperature in October: 18.5°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 October - Ansan, South Korea
  • Average daylight in October: 11.2h

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