Weather in December
Sea temperature
In Izumi, Japan, the average seawater temperature in December is 19.1°C (66.4°F).Note: Swimming in 19.1°C (66.4°F) is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the shortest days in Izumi is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 06:46 and sunset at 16:48. On the last day of December, in Izumi, sunrise is at 07:04 and sunset at 16:58 JST.
Frequently asked questions
What is the sea water temperature in December in Izumi?
In December, the average sea temperature in Izumi, Japan, is 19.1°C (66.4°F). Swimming in 19.1°C (66.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
What is the month with the shortest days in Izumi?
With an average of 9h and 54min of daylight, December has the shortest days of the year.
How many hours of daylight does Izumi have in December?
In Izumi, the average day length in December is 9h and 54min.
When is the sunrise / sunset in December in Izumi?
In December, on the first day of the month, sunrise is at 06:46 and sunset at 16:48. On the last day of the month, sunrise is at 07:04 and sunset at 16:58 JST.
Average sea temperature in December
Izumi, Japan
- Average sea temperature in December: 19.1°C
The best month for swimming (with the highest average sea temperature) is August (27.7°C).
The coldest month (with the lowest average sea temperature) is February (15.6°C).
Average daylight in December
Izumi, Japan
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
Izumi, Japan
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