December weather forecastTobetsu, Japan
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Tobetsu, Japan, with temperature in the range of an average high of -0.4°C (31.3°F) and an average low of -4.7°C (23.5°F).Temperature
During the transition into December, Tobetsu observes a decrease in the average high-temperature, falling from a chilly 6.1°C (43°F) in November to a subzero cold -0.4°C (31.3°F). A modest nighttime temperature average of -4.7°C (23.5°F) characterizes December.Humidity
The average relative humidity in December in Tobetsu is 84%.Rainfall
In Tobetsu, in December, during 9.7 rainfall days, 84mm (3.31") of precipitation is typically accumulated. In Tobetsu, during the entire year, the rain falls for 170.5 days and collects up to 861mm (33.9") of precipitation.Snowfall
Months with snowfall in Tobetsu are January through May, October through December. In Tobetsu, Japan, during December, snow falls for 23.7 days and regularly aggregates up to 345mm (13.58") of snow. Throughout the year, in Tobetsu, Japan, there are 111.1 snowfall days, and 1455mm (57.28") of snow is accumulated.Daylight
December has the shortest days of the year in Tobetsu, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 06:46 and sunset at 15:59. On the last day of the month, sunrise is at 07:05 and sunset at 16:08 JST.
Sunshine
In Tobetsu, the average sunshine in December is 2.4h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Tobetsu. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tobetsu, Japan
- Average high temperature in December: -0.4°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in December: -4.7°C
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (-8.5°C).
Average pressure in December
Tobetsu, Japan
- Average pressure in December: 1012.9mbar
The month with the highest atmospheric pressure is November (1016mbar).
The month with the lowest atmospheric pressure is July (1008.5mbar).
Average wind speed in December
Tobetsu, Japan
- Average wind speed in December: 16.9km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest months (with the lowest average wind speed) are July and August (10.1km/h).
Average humidity in December
Tobetsu, Japan
- Average humidity in December: 84%
The months with the highest relative humidity are January and July (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Tobetsu, Japan
- Average rainfall in December: 84mm
The wettest month (with the highest rainfall) is August (123mm).
The driest month (with the least rainfall) is April (45mm).
Average rainfall days in December
Tobetsu, Japan
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Tobetsu, Japan
- Average snowfall in December: 345mm
The month with the highest snowfall is January (377mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Tobetsu, Japan
- Average snowfall days in December: 23.7 days
The month with the highest number of snowfall days is January (27.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tobetsu, Japan
- Average daylight in December: 9h and 0min
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 0min).
- Average sunshine in December: 2h and 24min
The months with the most sunshine are May and August (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in December
Tobetsu, Japan
- Average sunshine days in December: 2.2 days
The month with the most sunshine days is May (12.1 days).
The month with the least sunshine days is December (2.2 days).
Average UV index in December
Tobetsu, Japan
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Tobetsu, Japan
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is September (Cloud cover 39).
Average visibility in December
Tobetsu, Japan
- Average visibility in December: 7km
The month with the highest visibility is October (10km).
The months with the lowest visibility are January, February and December (7km).





