December weather forecastKutchan, Japan

December

Weather in December

December, the first month of the winter in Kutchan, is also a subzero cold month, with an average temperature varying between -1.6°C (29.1°F) and -6°C (21.2°F).

Temperature

Kutchan's weather in December involves a decrease in the average high-temperature, moving down from November's wintry 4.9°C (40.8°F) to a subzero cold -1.6°C (29.1°F). Kutchan marks an average drop to -6°C (21.2°F) during nighttime in December, following the high of the day.

Humidity

In Kutchan, the average relative humidity in December is 88%.

Rainfall

In December, the rain falls for 6.5 days. Throughout December, 102mm (4.02") of precipitation is accumulated. In Kutchan, during the entire year, the rain falls for 157.1 days and collects up to 887mm (34.92") of precipitation.

Snowfall

Months with snowfall in Kutchan are January through May, October through December. The month with the most snowfall is December, when snow falls for 25.9 days and typically aggregates up to 598mm (23.54") of snow.

Daylight

The month with the shortest days in Kutchan is December, with an average of 9h and 6min of daylight.
On the first day of December in Kutchan, Japan, sunrise is at 06:48 and sunset at 16:03. On the last day of the month, sunrise is at 07:07 and sunset at 16:12 JST.

Sunshine

In Kutchan, the average sunshine in December is 1.7h.

UV index

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Kutchan. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: An average maximum UV index of 1 in December leads to these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

In Kutchan, -1.6°C (29.1°F) is the average high-temperature and -6°C (21.2°F) is the average low-temperature during December.

In Kutchan, the average relative humidity in December is 88%.

In December, the rain falls for 6.5 days. Throughout December, 102mm (4.02") of precipitation is accumulated.

December is the month with the most snowfall in Kutchan, Japan. Snow falls for 25.9 days and accumulates 598mm (23.54") of snow.

In Kutchan, during December, snow falls for 25.9 days and regularly aggregates up to 598mm (23.54") of snow.

The month with the shortest days is December, with an average of 9h and 6min of daylight.

In Kutchan, the average day length in December is 9h and 5min.

In December, on the first day of the month, sunrise is at 06:48 and sunset at 16:03. On the last day of the month, in Kutchan, Japan, sunrise is at 07:07 and sunset at 16:12 JST.

The average sunshine duration in December is 1.7h.

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1.

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's 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
Kutchan, Japan

  • Average high temperature in December: -1.6°C

The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (-3.8°C).

  • Average low temperature in December: -6°C

The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (-8.9°C).

Average pressure in December
Kutchan, Japan

  • Average pressure in December: 1013.4mbar

The month with the highest atmospheric pressure is November (1016.4mbar).
The month with the lowest atmospheric pressure is July (1008.4mbar).

Average wind speed in December
Kutchan, Japan

  • Average wind speed in December: 14.5km/h

The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).

Average humidity in December
Kutchan, Japan

  • Average humidity in December: 88%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (79%).

Average rainfall in December
Kutchan, Japan

  • Average rainfall in December: 102mm

The wettest month (with the highest rainfall) is August (105mm).
The driest month (with the least rainfall) is April (52mm).

Average rainfall days in December
Kutchan, Japan

  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is January (3.4 days).

Average snowfall in December
Kutchan, Japan

  • Average snowfall in December: 598mm

The month with the highest snowfall is December (598mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Kutchan, Japan

  • Average snowfall days in December: 25.9 days

The month with the highest number of snowfall days is January (28.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 9h and 6min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 1h and 42min

The months with the most sunshine are May and August (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).

Average sunshine days in December
Kutchan, Japan

  • Average sunshine days in December: 3.1 days

The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is January (2.7 days).

Average UV index in December
Kutchan, Japan

  • Average UV index in December: 1

The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in December
Kutchan, Japan

  • Average cloud cover in December: 83

The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is September (Cloud cover 43).

Average visibility in December
Kutchan, Japan

  • Average visibility in December: 7km

The months with the highest visibility are April, May and October (9km).
The months with the lowest visibility are January, February, July, August and December (7km).