Weather in December
Sea temperature
In Numazu, Japan, in December, the average water temperature is 17.8°C (64°F).Note: Most people do not find swimming enjoyable in water of 17.8°C (64°F). The task of controlling breathing becomes tougher as the temperature drops 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 06:34 and sunset at 16:32. On the last day of December, sunrise is at 06:52 and sunset at 16:42 JST.
Frequently asked questions
How cold is the water in December in Numazu?
In Numazu, in December, the average water temperature is 17.8°C (64°F). For most, swimming in 17.8°C (64°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 Numazu?
The month with the shortest days in Numazu, Japan, is December, with an average of 9h and 48min of daylight.
How many hours of daylight does Numazu have in December?
The average day length in December in Numazu, Japan, is 9h and 50min.
When are sunrise and sunset in December in Numazu?
On the first day of December in Numazu, sunrise is at 06:34 and sunset at 16:32. On the last day of the month, sunrise is at 06:52 and sunset at 16:42 JST.
Average sea temperature in December
Numazu, Japan
- Average sea temperature in December: 17.8°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (14.9°C).
Average daylight in December
Numazu, 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).
Numazu, Japan
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