December weather forecastBiei, Japan
December
Weather in December
December, the first month of the winter in Biei, is also a subzero cold month, with temperature in the range of an average low of -9.5°C (14.9°F) and an average high of -3.2°C (26.2°F).Temperature
Onset of December witnesses a reduction in the average high-temperature, falling from a wintry 3.5°C (38.3°F) in November to a freezing cold -3.2°C (26.2°F). Biei's nighttime temperature in December falls to an average of -9.5°C (14.9°F).Humidity
January, February and December, with an average relative humidity of 93%, are the most humid months.Rainfall
In Biei, during December, the rain falls for 8 days and regularly aggregates up to 82mm (3.23") of precipitation. Throughout the year, there are 151.5 rainfall days, and 739mm (29.09") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 25.7 days and typically aggregates up to 559mm (22.01") of snow.Daylight
December has the shortest days of the year in Biei, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 06:43 and sunset at 15:54. On the last day of the month, sunrise is at 07:03 and sunset at 16:03 JST.
Sunshine
The months with the least sunshine in Biei, Japan, are January and December, with an average of 2.2h of sunshine.UV index
The months with the lowest UV index in Biei are January through March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 1 in December leads to these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Biei, Japan
- Average high temperature in December: -3.2°C
The warmest months (with the highest average high temperature) are July and August (24.3°C).
The month with the lowest average high temperature is January (-5.5°C).
- Average low temperature in December: -9.5°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (-13.4°C).
Average pressure in December
Biei, Japan
- Average pressure in December: 1012.2mbar
The months with the highest atmospheric pressure are October and November (1015.5mbar).
The month with the lowest atmospheric pressure is July (1008.7mbar).
Average wind speed in December
Biei, Japan
- Average wind speed in December: 10.2km/h
The windiest month (with the highest average wind speed) is April (10.5km/h).
The calmest months (with the lowest average wind speed) are July and August (7.1km/h).
Average humidity in December
Biei, Japan
- Average humidity in December: 93%
The months with the highest relative humidity are January, February and December (93%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Biei, Japan
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is August (96mm).
The driest month (with the least rainfall) is April (41mm).
Average rainfall days in December
Biei, Japan
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is January (5 days).
Average snowfall in December
Biei, Japan
- Average snowfall in December: 559mm
The month with the highest snowfall is December (559mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Biei, Japan
- Average snowfall days in December: 25.7 days
The month with the highest number of snowfall days is January (26.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Biei, Japan
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 2h and 12min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The months with the least sunshine are January and December (Average sunshine: 2h and 12min).
Average sunshine days in December
Biei, Japan
- Average sunshine days in December: 3.2 days
The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is December (3.2 days).
Average UV index in December
Biei, 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, March, November and December (UV index 1).
Average cloud cover in December
Biei, Japan
- Average cloud cover in December: 77
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is September (Cloud cover 43).
Average visibility in December
Biei, Japan
- Average visibility in December: 6km
The month with the highest visibility is May (9km).
The month with the lowest visibility is January (5km).
