December weather forecastHitachi, 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.
Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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.
The month with the shortest days in Hitachi, Japan, is December, with an average of 9h and 42min of daylight.
In Hitachi, the average day length in December is 9h and 43min.
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 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 42min
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).
