January
Weather in January
Sea temperature
In January, the average sea temperature in Hitachi, Japan, is 13.7°C (56.7°F).Note: Danger awaits those who swim in 13.7°C (56.7°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.
Daylight
In January, the average length of the day is 9h and 59min.On the first day of the month, sunrise is at 06:49 and sunset at 16:31. On the last day of January, in Hitachi, sunrise is at 06:40 and sunset at 17:00 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
What is the sea water temperature in January in Hitachi?
In January, the average sea temperature is 13.7°C (56.7°F). Swimming in 13.7°C (56.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
What is the average length of the day in January in Hitachi?
In Hitachi, Japan, the average day length in January is 9h and 59min.
When are sunrise and sunset in January in Hitachi?
In January, on the first day of the month, sunrise is at 06:49 and sunset at 16:31. On the last day of the month, in Hitachi, Japan, sunrise is at 06:40 and sunset at 17:00 JST.
Average sea temperature in January
Hitachi, Japan
- Average sea temperature in January: 13.7°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 January
Hitachi, Japan
- Average daylight in January: 10h and 0min
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).
