December weather forecastBiratori, Japan
December
Weather in December
The first month of the winter, December, is still a cold month in Biratori, Japan, with an average temperature ranging between min -4.5°C (23.9°F) and max 0.5°C (32.9°F).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's chilly 7.1°C (44.8°F) to an icy 0.5°C (32.9°F). A minimal decline in temperature from daytime highs is anticipated in Biratori throughout the December nights, averaging a subzero cold -4.5°C (23.9°F).Humidity
In December, the average relative humidity is 81%.Rainfall
In Biratori, Japan, in December, it is raining for 7.5 days, with typically 36mm (1.42") of accumulated precipitation. In Biratori, Japan, during the entire year, the rain falls for 139.6 days and collects up to 552mm (21.73") of precipitation.Snowfall
January through April, November and December are months with snowfall in Biratori. In December, in Biratori, Japan, it is snowing for 13 days. Throughout December, 102mm (4.02") of snow is accumulated. Throughout the year, there are 64.3 snowfall days, and 584mm (22.99") of snow is accumulated.Daylight
The month with the shortest days in Biratori, Japan, is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 06:41 and sunset at 15:59. On the last day of December, sunrise is at 07:01 and sunset at 16:07 JST.
Sunshine
In Biratori, the average sunshine in December is 4h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Biratori, Japan
- Average high temperature in December: 0.5°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 (-2.3°C).
- Average low temperature in December: -4.5°C
The month with the highest average low temperature is August (17.5°C).
The coldest month (with the lowest average low temperature) is February (-8.8°C).
Average pressure in December
Biratori, Japan
- Average pressure in December: 1013.1mbar
The month with the highest atmospheric pressure is November (1016.2mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in December
Biratori, Japan
- Average wind speed in December: 13.1km/h
The windiest month (with the highest average wind speed) is April (13.3km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in December
Biratori, Japan
- Average humidity in December: 81%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Biratori, Japan
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in December
Biratori, Japan
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Biratori, Japan
- Average snowfall in December: 102mm
The month with the highest snowfall is February (147mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Biratori, Japan
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is January (14.8 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
Biratori, 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: 4h and 0min
The month with the most sunshine is May (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Biratori, Japan
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
Biratori, Japan
- Average UV index in December: 2
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 2).
Average cloud cover in December
Biratori, Japan
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is October (Cloud cover 34).
Average visibility in December
Biratori, Japan
- Average visibility in December: 9km
The months with the highest visibility are October and November (10km).
The month with the lowest visibility is July (8km).
