Weather in December
Sea temperature
In Kasaoka, Japan, in December, the average water temperature is 17.7°C (63.9°F).Note: For most individuals, swimming in 17.7°C (63.9°F) is not a pleasant experience. The difficulty in managing breathing increases as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 06:54 and sunset at 16:55. On the last day of December, in Kasaoka, sunrise is at 07:12 and sunset at 17:05 JST.
Frequently asked questions
What is the sea temperature in December in Kasaoka?
In Kasaoka, the average seawater temperature in December is 17.7°C (63.9°F). For swimming, a surface water temperature of 17.7°C (63.9°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 Kasaoka?
The month with the shortest days is December, with an average of 9h and 54min of daylight.
What is the average length of the day in December in Kasaoka?
In December, the average day length is 9h and 53min.
When are sunrise and sunset in December in Kasaoka?
In December, on the first day of the month, sunrise is at 06:54 and sunset at 16:55. On the last day of the month, in Kasaoka, Japan, sunrise is at 07:12 and sunset at 17:05 JST.
Average sea temperature in December
Kasaoka, Japan
- Average sea temperature in December: 17.7°C
The best month for swimming (with the highest average sea temperature) is August (27.2°C).
The coldest month (with the lowest average sea temperature) is February (13.7°C).
Average daylight in December
Kasaoka, 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).
Kasaoka, Japan
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