December weather forecastTarui, Japan
December
Weather in December
The first month of the winter, December, is also a frosty month in Tarui, Japan, with an average temperature ranging between min 2.2°C (36°F) and max 8°C (46.4°F).Temperature
As December arrives, Tarui's weather displays a decrease in high-temperatures, transitioning from November's moderate 14.3°C (57.7°F) to a frosty 8°C (46.4°F). In December, the temperature in Tarui drops to an average of 2.2°C (36°F) at night.Humidity
In December, the average relative humidity is 81%.Rainfall
In December, the rain falls for 18.7 days. Throughout December, 61mm (2.4") of precipitation is accumulated. Throughout the year, in Tarui, there are 192.5 rainfall days, and 1146mm (45.12") of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 4.5 snowfall days, it receives 47mm (1.85") of snow. Throughout the year, in Tarui, Japan, there are 21.1 snowfall days, and 210mm (8.27") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 06:44 and sunset at 16:41. On the last day of December, in Tarui, sunrise is at 07:02 and sunset at 16:51 JST.
Sunshine
The average sunshine in December is 5.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Tarui. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tarui, Japan
- Average high temperature in December: 8°C
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in December
Tarui, Japan
- Average pressure in December: 1018.7mbar
The month with the highest atmospheric pressure is November (1019.4mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in December
Tarui, Japan
- Average wind speed in December: 7.6km/h
The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is July (5.8km/h).
Average humidity in December
Tarui, Japan
- Average humidity in December: 81%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Tarui, Japan
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is July (222mm).
The driest month (with the least rainfall) is November (43mm).
Average rainfall days in December
Tarui, Japan
- Average rainfall days in December: 18.7 days
The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is February (12.4 days).
Average snowfall in December
Tarui, Japan
- Average snowfall in December: 47mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Tarui, Japan
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (8.8 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
Tarui, Japan
- Average daylight in December: 9h and 48min
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: 5h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).
Average sunshine days in December
Tarui, Japan
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is January (7.3 days).
Average UV index in December
Tarui, 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
Tarui, Japan
- Average cloud cover in December: 47
The month with the most cloud cover is July (Cloud cover 55).
The month with the least cloud cover is November (Cloud cover 39).
Average visibility in December
Tarui, Japan
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (8km).
The month with the lowest visibility is July (7km).





