December weather forecastNarashino, Japan
December
Weather in December
Sea temperature
In Narashino, Japan, in December, the average water temperature is 17.4°C (63.3°F).Note: Most people do not take pleasure in swimming in water at 17.4°C (63.3°F). The difficulty of managing breathing increases as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Narashino.On the first day of December, sunrise is at 06:31 and sunset at 16:26. On the last day of the month, sunrise is at 06:49 and sunset at 16:36 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 Narashino, in December, the average water temperature is 17.4°C (63.3°F). For most, swimming in 17.4°C (63.3°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
With an average of 9h and 48min of daylight, December has the shortest days of the year.
In December, the average day length is 9h and 47min.
On the first day of December, sunrise is at 06:31 and sunset at 16:26. On the last day of the month, sunrise is at 06:49 and sunset at 16:36 JST.
Average sea temperature in December
Narashino, Japan
- Average sea temperature in December: 17.4°C
The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is February (14.4°C).
Average daylight in December
Narashino, Japan
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
