December weather forecastYuni, Japan
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Yuni, Japan, with temperature in the range of an average low of -8.1°C (17.4°F) and an average high of -1.6°C (29.1°F).Temperature
With December's arrival, Yuni's weather changes as the average high-temperature falls from a wintry 5.1°C (41.2°F) in November to a freezing cold -1.6°C (29.1°F). December witnesses an average nighttime temperature of -8.1°C (17.4°F).Humidity
In Yuni, Japan, the average relative humidity in December is 90%.Rainfall
In Yuni, in December, it is raining for 7.4 days, with typically 73mm (2.87") of accumulated precipitation. Throughout the year, in Yuni, there are 152.1 rainfall days, and 805mm (31.69") of precipitation is accumulated.Snowfall
Months with snowfall in Yuni are January through May, October through December. The month with the most snowfall in Yuni is December, when snow falls for 23.7 days and typically aggregates up to 442mm (17.4") of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:44 and sunset at 15:59. On the last day of December, sunrise is at 07:03 and sunset at 16:07 JST.
Sunshine
The average sunshine in December in Yuni is 2.5h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Yuni. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, an average UV index of 1 transforms into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Yuni, Japan
- Average high temperature in December: -1.6°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (-4°C).
- Average low temperature in December: -8.1°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (-12.8°C).
Average pressure in December
Yuni, Japan
- Average pressure in December: 1012.8mbar
The months with the highest atmospheric pressure are October and November (1016mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in December
Yuni, Japan
- Average wind speed in December: 10.4km/h
The windiest month (with the highest average wind speed) is April (11.8km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in December
Yuni, Japan
- Average humidity in December: 90%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Yuni, Japan
- Average rainfall in December: 73mm
The wettest month (with the highest rainfall) is August (119mm).
The driest months (with the least rainfall) are January and February (50mm).
Average rainfall days in December
Yuni, Japan
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is July (19.8 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in December
Yuni, Japan
- Average snowfall in December: 442mm
The month with the highest snowfall is December (442mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Yuni, Japan
- Average snowfall days in December: 23.7 days
The month with the highest number of snowfall days is January (26.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Yuni, 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: 2h and 30min
The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Yuni, Japan
- Average sunshine days in December: 5.4 days
The month with the most sunshine days is May (14.4 days).
The month with the least sunshine days is January (4.3 days).
Average UV index in December
Yuni, Japan
- Average UV index in December: 1
The months with the highest UV index are June, 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
Yuni, Japan
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is October (Cloud cover 47).
Average visibility in December
Yuni, Japan
- Average visibility in December: 7km
The months with the highest visibility are April, May, October and November (8km).
The month with the lowest visibility is January (5km).
