Weather in December
Sea temperature
In Komatsushima, Japan, in December, the average water temperature is 19.9°C (67.8°F).Note: In 19.9°C (67.8°F), swimming is not an enjoyable activity for most. As the temperature decreases from 21°C (69.8°F) to 15°C (59°F), it becomes harder to control breathing.
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 06:48 and sunset at 16:52. On the last day of December, in Komatsushima, sunrise is at 07:06 and sunset at 17:02 JST.
Frequently asked questions
What is the sea temperature in December in Komatsushima?
In December, the average sea temperature is 19.9°C (67.8°F). For most, swimming in 19.9°C (67.8°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).
What is the month with the shortest days in Komatsushima?
With an average of 9h and 54min of daylight, December has the shortest days of the year in Komatsushima.
How many hours of daylight does Komatsushima have in December?
In December, the average day length in Komatsushima, Japan, is 9h and 56min.
What time are sunrise and sunset in December in Komatsushima?
In December, on the first day of the month, sunrise is at 06:48 and sunset at 16:52. On the last day of the month, in Komatsushima, Japan, sunrise is at 07:06 and sunset at 17:02 JST.
Average sea temperature in December
Komatsushima, Japan
- Average sea temperature in December: 19.9°C
The best month for swimming (with the highest average sea temperature) is August (27.8°C).
The coldest month (with the lowest average sea temperature) is February (16.3°C).
Average daylight in December
Komatsushima, 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).
Komatsushima, Japan
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