Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Nakatsu, Japan

Sea temperature

In Enero, the average sea temperature in Nakatsu, Japan, is 14.1°C (57.4°F).
Note: Swimming in 14.1°C (57.4°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.


In Enero, the average length of the day is 10.2h.

How cold is the water in Enero in Nakatsu?

In Nakatsu, the average seawater temperature in Enero is 14.1°C (57.4°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 Nakatsu have in Enero?

In Nakatsu, the average length of the day in Enero is 10.2h.
Average sea temperature in January - Nakatsu, Japan
  • Average sea temperature in January: 14.1°C

The best month for swimming (with the highest average sea temperature) is August (26.5°C).
The coldest month (with the lowest average sea temperature) is February (11.8°C).

Average daylight in January - Nakatsu, Japan
  • Average daylight in January: 10.2h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 10h).