December weather forecast
Hitachi, Japan

December

Weather in December

Sea temperature

In Hitachi, Japan, in December, the average water temperature is 14°C (57.2°F).
Note: In 14°C (57.2°F), even brief exposure to 13°C (55.4°F) feels biting, and anything less than 10°C (50°F) risks cold shock and impaired breathing, considering one's health.

Daylight

The month with the shortest days in Hitachi is December, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 06:30 and sunset at 16:21. On the last day of December, in Hitachi, sunrise is at 06:49 and sunset at 16:31 JST.

Frequently asked questions

What is the sea water temperature in December in Hitachi?
In Hitachi, Japan, the average seawater temperature in December is 14°C (57.2°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 Hitachi?
The month with the shortest days in Hitachi, Japan, is December, with an average of 9h and 42min of daylight.
What is the average length of the day in December in Hitachi?
In Hitachi, the average day length in December is 9h and 43min.
When is the sunrise / sunset in December in Hitachi?
On the first day of December, sunrise is at 06:30 and sunset at 16:21. On the last day of the month, sunrise is at 06:49 and sunset at 16:31 JST.
Average sea temperature
Average daylight
Average sea temperature in December
Hitachi, Japan
  • Average sea temperature in December: 14°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 (10.8°C).

Average daylight in December
Hitachi, Japan
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

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