December weather forecastAshikaga, Japan

December weather for Ashikaga, Japan: In Ashikaga, Japan, in December, snow falls for 0.2 days, with typically accumulated 1mm (0.04") of snow. In Ashikaga, Japan, in December, during 6.5 rainfall days, 20mm (0.79") of precipitation is typically accumulated.

December

Weather in December

December, the first month of the winter in Ashikaga, is still a chilly month, with an average temperature fluctuating between 8.1°C (46.6°F) and 1.8°C (35.2°F).

Temperature

Ashikaga's progression into December includes a drop in the average high-temperature, from a moderate 14°C (57.2°F) in November to a chilly 8.1°C (46.6°F). Throughout December, an average low-temperature of 1.8°C (35.2°F) is experienced in Ashikaga.

Humidity

In December, the average relative humidity is 64%.

Rainfall

In Ashikaga, Japan, in December, during 6.5 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, there are 161.9 rainfall days, and 825mm (32.48") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In December, it is snowing for 0.2 days. Throughout December, 1mm (0.04") of snow is accumulated. In Ashikaga, during the entire year, snow falls for 4.5 days and aggregates up to 62mm (2.44") of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of December in Ashikaga, sunrise is at 06:35 and sunset at 16:27. On the last day of the month, sunrise is at 06:53 and sunset at 16:37 JST.

Sunshine

In Ashikaga, the average sunshine in December is 6.8h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. 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. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

The average high-temperature and low-temperature in Ashikaga, Japan, during December are 8.1°C (46.6°F) and 1.8°C (35.2°F) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is evaluated at 37°C (98.6°F).

In Ashikaga, Japan, the average relative humidity in December is 64%.

In December, in Ashikaga, the rain falls for 6.5 days. Throughout December, 20mm (0.79") of precipitation is accumulated.

In Ashikaga, Japan, in December, snow falls for 0.2 days, with typically accumulated 1mm (0.04") of snow.

With an average of 9h and 42min of daylight, December has the shortest days of the year in Ashikaga, Japan.

The average day length in December in Ashikaga, Japan, is 9h and 44min.

On the first day of December, sunrise is at 06:35 and sunset at 16:27. On the last day of the month, sunrise is at 06:53 and sunset at 16:37 JST.

In Ashikaga, the average sunshine duration in December is 6.8h.

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Ashikaga, Japan.

The average daily maximum UV index in December in Ashikaga is 2. A UV Index value of 2, and less, symbolizes a low health risk 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ashikaga, Japan

  • Average high temperature in December: 8.1°C

The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in December: 1.8°C

The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is January (-1°C).

Average pressure in December
Ashikaga, Japan

  • Average pressure in December: 1016.7mbar

The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).

Average wind speed in December
Ashikaga, Japan

  • Average wind speed in December: 9.2km/h

The windiest month (with the highest average wind speed) is January (10.2km/h).
The calmest month (with the lowest average wind speed) is July (6.1km/h).

Average humidity in December
Ashikaga, Japan

  • Average humidity in December: 64%

The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (62%).

Average rainfall in December
Ashikaga, Japan

  • Average rainfall in December: 20mm

The wettest month (with the highest rainfall) is July (141mm).
The driest month (with the least rainfall) is February (19mm).

Average rainfall days in December
Ashikaga, Japan

  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is July (23.8 days).
The month with the least rainy days is January (5.1 days).

Average snowfall in December
Ashikaga, Japan

  • Average snowfall in December: 1mm

The month with the highest snowfall is February (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Ashikaga, Japan

  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

  • Average daylight in December: 9h and 42min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 6h and 48min

The month with the most sunshine is May (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).

Average sunshine days in December
Ashikaga, Japan

  • Average sunshine days in December: 23.8 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (5.2 days).

Average UV index in December
Ashikaga, Japan

  • Average UV index in December: 2

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Ashikaga, Japan

  • Average cloud cover in December: 26

The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 25).

Average visibility in December
Ashikaga, Japan

  • Average visibility in December: 10km

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