December weather forecastSobetsu, Japan
December
Weather in December
December, the first month of the winter in Sobetsu, is still a cold month, with an average temperature ranging between max 0.3°C (32.5°F) and min -4.1°C (24.6°F).Temperature
As December begins, there is a decrease in the average high-temperature, falling from a frosty 6.7°C (44.1°F) in November to a wintry 0.3°C (32.5°F). December notes an average low temperature of -4.1°C (24.6°F), subtly down from the daytime highs.Humidity
In Sobetsu, Japan, the average relative humidity in December is 82%.Rainfall
In Sobetsu, in December, during 12 rainfall days, 60mm (2.36") of precipitation is typically accumulated. Throughout the year, in Sobetsu, there are 168.4 rainfall days, and 779mm (30.67") of precipitation is accumulated.Snowfall
Months with snowfall in Sobetsu are January through April, November and December. In Sobetsu, Japan, in December, during 18.5 snowfall days, 156mm (6.14") of snow is typically accumulated. Throughout the year, in Sobetsu, there are 94.1 snowfall days, and 888mm (34.96") of snow is accumulated.Daylight
December has the shortest days of the year in Sobetsu, with an average of 9h and 6min of daylight.On the first day of December in Sobetsu, sunrise is at 06:46 and sunset at 16:04. On the last day of the month, sunrise is at 07:06 and sunset at 16:12 JST.
Sunshine
In Sobetsu, Japan, the average sunshine in December is 3.2h.UV index
The months with the lowest UV index in Sobetsu, Japan, are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 1 in December translates into this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sobetsu, Japan
- Average high temperature in December: 0.3°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in December: -4.1°C
The month with the highest average low temperature is August (17.4°C).
The coldest month (with the lowest average low temperature) is February (-7.3°C).
Average pressure in December
Sobetsu, Japan
- Average pressure in December: 1013.7mbar
The month with the highest atmospheric pressure is November (1016.6mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed in December
Sobetsu, Japan
- Average wind speed in December: 16.7km/h
The windiest month (with the highest average wind speed) is December (16.7km/h).
The calmest month (with the lowest average wind speed) is July (9.2km/h).
Average humidity in December
Sobetsu, Japan
- Average humidity in December: 82%
The month with the highest relative humidity is July (88%).
The months with the lowest relative humidity are April and October (78%).
Average rainfall in December
Sobetsu, Japan
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is August (102mm).
The driest month (with the least rainfall) is January (44mm).
Average rainfall days in December
Sobetsu, Japan
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in December
Sobetsu, Japan
- Average snowfall in December: 156mm
The month with the highest snowfall is February (239mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Sobetsu, Japan
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is January (24.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sobetsu, 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: 3h and 12min
The month with the most sunshine is April (Average sunshine: 8h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in December
Sobetsu, Japan
- Average sunshine days in December: 6.2 days
The month with the most sunshine days is October (14.7 days).
The months with the least sunshine days are January and February (4.3 days).
Average UV index in December
Sobetsu, 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 and December (UV index 1).
Average cloud cover in December
Sobetsu, Japan
- Average cloud cover in December: 66
The months with the most cloud cover are January and February (Cloud cover 69).
The month with the least cloud cover is October (Cloud cover 41).
Average visibility in December
Sobetsu, Japan
- Average visibility in December: 8km
The months with the highest visibility are April, May, September, October and November (9km).
The month with the lowest visibility is July (7km).
