December
Weather in December
Sea temperature
In Ichikawa, Japan, in December, the average water temperature is 17.3°C (63.1°F).Note: Swimming in water of 17.3°C (63.1°F) is not enjoyable for the majority of individuals. Breathing control becomes increasingly challenging as the 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.On the first day of the month, sunrise is at 06:31 and sunset at 16:26. On the last day of December, 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
What is the sea temperature in December in Ichikawa?
In Ichikawa, in December, the average water temperature is 17.3°C (63.1°F). For swimming, a surface water temperature of 17.3°C (63.1°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
What is the month with the shortest days in Ichikawa?
With an average of 9h and 48min of daylight, December has the shortest days of the year.
What is the average length of the day in December in Ichikawa?
The average day length in December in Ichikawa is 9h and 47min.
When are sunrise and sunset in December in Ichikawa?
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
Ichikawa, Japan
- Average sea temperature in December: 17.3°C
The best month for swimming (with the highest average sea temperature) is August (25.7°C).
The coldest month (with the lowest average sea temperature) is February (14°C).
Average daylight in December
Ichikawa, Japan
- Average daylight in December: 9h and 5min
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).
