December weather forecast
Amagi, Japan

December

Weather in December

The first month of the winter, December, is still a chilly month in Amagi, Japan, with temperature in the range of an average high of 9.7°C (49.5°F) and an average low of 3.9°C (39°F).

Temperature

The onset of December coincides with a reduction in the average high-temperature, falling from a moderate 15.8°C (60.4°F) in November to a frosty 9.7°C (49.5°F). The average temperature during December nights dips to an icy 3.9°C (39°F).

Humidity

In December, the average relative humidity in Amagi is 78%.

Rainfall

In Amagi, Japan, in December, during 13.2 rainfall days, 55mm (2.17") of precipitation is typically accumulated. In Amagi, during the entire year, the rain falls for 176.4 days and collects up to 958mm (37.72") of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows in Amagi. Throughout December, in the average 3.7 snowfall days, it receives 23mm (0.91") of snow. In Amagi, during the entire year, snow falls for 13.8 days and aggregates up to 76mm (2.99") of snow.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year in Amagi, Japan.
On the first day of the month, sunrise is at 07:03 and sunset at 17:09. On the last day of December, in Amagi, sunrise is at 07:21 and sunset at 17:19 JST.

Sunshine

In December, the average sunshine in Amagi is 4.3h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

What is the average December temperature in Amagi?
In Amagi, 9.7°C (49.5°F) is the average high-temperature and 3.9°C (39°F) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 40°C (104°F).
What is the average humidity in December in Amagi?
In December, the average relative humidity in Amagi is 78%.
How much does it rain in Amagi in December?
In Amagi, in December, it is raining for 13.2 days, with typically 55mm (2.17") of accumulated precipitation.
When does it start to snow in Amagi?
December is the first month it typically snows in Amagi. Throughout December, in the average 3.7 snowfall days, it receives 23mm (0.91") of snow.
What is the month with the shortest days in Amagi?
With an average of 10h and 0min of daylight, December has the shortest days of the year in Amagi, Japan.
What is the average length of the day in December in Amagi?
In Amagi, Japan, the average day length in December is 9h and 59min.
When is the sunrise / sunset in December in Amagi?
On the first day of December in Amagi, Japan, sunrise is at 07:03 and sunset at 17:09. On the last day of the month, sunrise is at 07:21 and sunset at 17:19 JST.
How many hours of sunshine does Amagi have in December?
In Amagi, the average sunshine duration in December is 4.3h.
What is the month with the lowest UV index in Amagi?
The months with the lowest UV index in Amagi are January, February and December, with an average maximum UV index of 2.
What is the UV index reading in December in Amagi?
In Amagi, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Amagi, Japan
Average temperature in December
Amagi, Japan
  • Average high temperature in December: 9.7°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (7.8°C).

  • Average low temperature in December: 3.9°C

The month with the highest average low temperature is August (22.6°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in December - Amagi, Japan
Average pressure in December
Amagi, Japan
  • Average pressure in December: 1021.3mbar

The month with the highest atmospheric pressure is January (1021.9mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).

Average wind speed in December - Amagi, Japan
Average wind speed in December
Amagi, Japan
  • Average wind speed in December: 9.5km/h

The windiest month (with the highest average wind speed) is January (9.6km/h).
The calmest month (with the lowest average wind speed) is June (7km/h).

Average humidity in December - Amagi, Japan
Average humidity in December
Amagi, Japan
  • Average humidity in December: 78%

The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are March, April and May (75%).

Average rainfall in December - Amagi, Japan
Average rainfall in December
Amagi, Japan
  • Average rainfall in December: 55mm

The wettest month (with the highest rainfall) is July (193mm).
The driest month (with the least rainfall) is January (39mm).

Average rainfall days in December - Amagi, Japan
Average rainfall days in December
Amagi, Japan
  • Average rainfall days in December: 13.2 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is October (10.6 days).

Average snowfall in December - Amagi, Japan
Average snowfall in December
Amagi, Japan
  • Average snowfall in December: 23mm

The month with the highest snowfall is January (32mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December - Amagi, Japan
Average snowfall days in December
Amagi, Japan
  • Average snowfall days in December: 3.7 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in December / Average sunshine in December - Amagi, Japan
Average daylight in December /
Average sunshine in December
Amagi, Japan
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December - Amagi, Japan
Average sunshine days in December
Amagi, Japan
  • Average sunshine days in December: 13.3 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (6.5 days).

Average UV index in December - Amagi, Japan
Average UV index in December
Amagi, Japan
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December - Amagi, Japan
Average cloud cover in December
Amagi, Japan
  • Average cloud cover in December: 52

The months with the most cloud cover are January and June (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 37).

Average visibility in December - Amagi, Japan
Average visibility in December
Amagi, Japan
  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).

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