December weather forecast
Asaka, Japan

December

Weather in December

December, the first month of the winter in Asaka, is still a cool month, with an average temperature ranging between min 4.8°C (40.6°F) and max 10.6°C (51.1°F).

Temperature

December's arrival coincides with a drop in the average high-temperature, decreasing from November's comfortable 16.2°C (61.2°F) to a cool 10.6°C (51.1°F). December brings an average low-temperature of 4.8°C (40.6°F) to Asaka.

Humidity

In Asaka, the average relative humidity in December is 62%.

Rainfall

The month with the least rainfall is December, when the rain falls for 6.2 days and typically collects 19mm (0.75") of precipitation.

Snowfall

April through October and December are months without snowfall.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 06:33 and sunset at 16:28. On the last day of the month, sunrise is at 06:51 and sunset at 16:37 JST.

Sunshine

In Asaka, the average sunshine in December is 6.4h.

UV index

In December, the average daily maximum UV index in Asaka is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. When the Sun is at its strongest around midday, find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

What is the usual temperature for Asaka in December?
December temperatures in Asaka, Japan, vary between a high-temperature of 10.6°C (51.1°F) and a low-temperature of 4.8°C (40.6°F). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 30°C (86°F).
What is the average humidity in December in Asaka?
In Asaka, Japan, the average relative humidity in December is 62%.
What is the driest month in Asaka?
December is the month with the least rainfall in Asaka, Japan. Rain falls for 6.2 days and accumulates 19mm (0.75") of precipitation.
How much does it rain in Asaka in December?
In December, the rain falls for 6.2 days. Throughout December, 19mm (0.75") of precipitation is accumulated.
When it does not snow in Asaka?
April through October and December are months without snowfall.
Does it snow in Asaka in December?
In December, in Asaka, Japan, it doesn't snow. November is the latest month when it typically snows.
What is the month with the shortest days in Asaka?
The month with the shortest days in Asaka is December, with an average of 9h and 48min of daylight.
What is the average length of the day in December in Asaka?
The average day length in December in Asaka is 9h and 47min.
When is the sunrise / sunset in December in Asaka?
On the first day of December in Asaka, sunrise is at 06:33 and sunset at 16:28. On the last day of the month, sunrise is at 06:51 and sunset at 16:37 JST.
How long on average sun shines in December in Asaka?
The average sunshine duration in December in Asaka, Japan, is 6.4h.
What is the UV index intensity in December in Asaka?
In December, the average daily maximum UV index in Asaka, Japan, is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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 - Asaka, Japan
Average temperature in December
Asaka, Japan
  • Average high temperature in December: 10.6°C

The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (8.5°C).

  • Average low temperature in December: 4.8°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (2°C).

Average pressure in December - Asaka, Japan
Average pressure in December
Asaka, Japan
  • Average pressure in December: 1016.4mbar

The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in December - Asaka, Japan
Average wind speed in December
Asaka, Japan
  • Average wind speed in December: 11km/h

The windiest month (with the highest average wind speed) is April (12.6km/h).
The calmest month (with the lowest average wind speed) is November (9.7km/h).

Average humidity in December - Asaka, Japan
Average humidity in December
Asaka, Japan
  • Average humidity in December: 62%

The month with the highest relative humidity is July (75%).
The month with the lowest relative humidity is January (59%).

Average rainfall in December - Asaka, Japan
Average rainfall in December
Asaka, Japan
  • Average rainfall in December: 19mm

The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is December (19mm).

Average rainfall days in December - Asaka, Japan
Average rainfall days in December
Asaka, Japan
  • Average rainfall days in December: 6.2 days

The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in December - Asaka, Japan
Average snowfall in December
Asaka, Japan
  • Average snowfall in December: 0mm

The month with the highest snowfall is February (33mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).

Average snowfall days in December - Asaka, Japan
Average snowfall days in December
Asaka, Japan
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).

Average daylight in December / Average sunshine in December - Asaka, Japan
Average daylight in December /
Average sunshine in December
Asaka, 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).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).

Average sunshine days in December - Asaka, Japan
Average sunshine days in December
Asaka, Japan
  • Average sunshine days in December: 24.3 days

The month with the most sunshine days is January (26 days).
The month with the least sunshine days is June (11.9 days).

Average UV index in December - Asaka, Japan
Average UV index in December
Asaka, Japan
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in December - Asaka, Japan
Average cloud cover in December
Asaka, Japan
  • Average cloud cover in December: 28

The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 26).

Average visibility in December - Asaka, Japan
Average visibility in December
Asaka, Japan
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, August, October, November and December (10km).
The months with the lowest visibility are June, July and September (9km).

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