December weather forecastGinowan, Japan

December

Weather in December

December, the first month of the winter in Ginowan, is still a pleasant month, with an average temperature ranging between min 18.7°C (65.7°F) and max 20.6°C (69.1°F).

Temperature

Ginowan's progression into December involves a gentle drop in the average high-temperature, from a warm 24°C (75.2°F) in November to an agreeable 20.6°C (69.1°F). Ginowan encounters a negligible difference from daytime peaks throughout the December nights, with a low-temperature average of 18.7°C (65.7°F).

Humidity

In December, the average relative humidity is 73%.

Rainfall

In December, the rain falls for 20.7 days. Throughout December, 77mm (3.03") of precipitation is accumulated. In Ginowan, during the entire year, the rain falls for 227.3 days and collects up to 1392mm (54.8") of precipitation.

Daylight

With an average of 10h and 30min of daylight, December has the shortest days of the year in Ginowan.
On the first day of the month, sunrise is at 06:59 and sunset at 17:36. On the last day of December, in Ginowan, sunrise is at 07:16 and sunset at 17:47 JST.

Sunshine

The average sunshine in December is 4.4h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 4 in December translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during December is 20.6°C (69.1°F) and the low-temperature is 18.7°C (65.7°F). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 33°C (91.4°F).

In December, the average relative humidity is 73%.

In Ginowan, Japan, in December, during 20.7 rainfall days, 77mm (3.03") of precipitation is typically accumulated.

December has the shortest days of the year, with an average of 10h and 30min of daylight.

In December, the average day length is 10h and 32min.

In December, on the first day of the month, sunrise is at 06:59 and sunset at 17:36. On the last day of the month, sunrise is at 07:16 and sunset at 17:47 JST.

In December, the average sunshine duration is 4.4h.

December is the month with the lowest UV index in Ginowan, with an average maximum UV index of 4.

In Ginowan, the average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

24°C

20.6°C

19°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

26.8km/h

29km/h

27.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

8.4

6.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Ginowan, Japan

Average high temperature in December: 20.6°C

The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (19°C).

Average low temperature in December: 18.7°C

The month with the highest average low temperature is August (28.3°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

Average pressure in December
Ginowan, Japan

Average pressure in December: 1019.8mbar

The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).

Average wind speed in December
Ginowan, Japan

Average wind speed in December: 27.9km/h

The windiest month (with the highest average wind speed) is December (27.9km/h).
The calmest month (with the lowest average wind speed) is May (19.8km/h).

Average humidity in December
Ginowan, Japan

Average humidity in December: 73%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).

Average rainfall in December
Ginowan, Japan

Average rainfall in December: 77mm

The wettest month (with the highest rainfall) is June (207mm).
The driest month (with the least rainfall) is February (58mm).

Average rainfall days in December
Ginowan, Japan

Average rainfall days in December: 20.7 days

The months with the highest number of rainy days are January and June (21.5 days).
The month with the least rainy days is April (16.4 days).

Average daylight in December /
Average sunshine in December
Ginowan, Japan

Average daylight in December: 10h and 30min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

Average sunshine in December: 4h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in December
Ginowan, Japan

Average sunshine days in December: 6.4 days

The month with the most sunshine days is April (11.3 days).
The month with the least sunshine days is January (6 days).

Average UV index in December
Ginowan, Japan

Average UV index in December: 4

The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).

Average cloud cover in December
Ginowan, Japan

Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in December
Ginowan, Japan

Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).