December weather forecastBise, Japan
December
Weather in December
The first month of the winter, December, is also an agreeable month in Bise, Japan, with an average temperature ranging between max 20.3°C (68.5°F) and min 18.4°C (65.1°F).Temperature
With December's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 23.5°C (74.3°F) in November to an agreeable 20.3°C (68.5°F). In Bise, the month of December brings a consistent average low-temperature of 18.4°C (65.1°F), slightly cooler than its daytime highs.Humidity
January and December, with an average relative humidity of 72%, are the least humid months.Rainfall
In December, in Bise, the rain falls for 20.9 days. Throughout December, 85mm (3.35") of precipitation is accumulated. Throughout the year, in Bise, Japan, there are 240.8 rainfall days, and 1563mm (61.54") of precipitation is accumulated.Daylight
December has the shortest days of the year in Bise, with an average of 10h and 30min of daylight.On the first day of the month, sunrise is at 06:59 and sunset at 17:35. On the last day of December, in Bise, sunrise is at 07:16 and sunset at 17:46 JST.
Sunshine
In December, the average sunshine in Bise is 4.2h.UV index
The months with the lowest UV index in Bise are January and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 4 in December interprets into the following advice:
Take necessary precautions - Defending against sun damage is advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bise, Japan
- Average high temperature in December: 20.3°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (18.6°C).
- Average low temperature in December: 18.4°C
The month with the highest average low temperature is August (28°C).
The coldest month (with the lowest average low temperature) is January (16.7°C).
Average pressure in December
Bise, Japan
- Average pressure in December: 1020.2mbar
The month with the highest atmospheric pressure is January (1021.1mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in December
Bise, Japan
- Average wind speed in December: 28.3km/h
The windiest month (with the highest average wind speed) is December (28.3km/h).
The calmest month (with the lowest average wind speed) is May (20.2km/h).
Average humidity in December
Bise, Japan
- Average humidity in December: 72%
The month with the highest relative humidity is June (86%).
The months with the lowest relative humidity are January and December (72%).
Average rainfall in December
Bise, Japan
- Average rainfall in December: 85mm
The wettest month (with the highest rainfall) is June (241mm).
The driest month (with the least rainfall) is January (64mm).
Average rainfall days in December
Bise, Japan
- Average rainfall days in December: 20.9 days
The month with the highest number of rainy days is June (23.3 days).
The month with the least rainy days is November (17.6 days).
Average daylight in December /
Average sunshine in December
Bise, Japan
- Average daylight in December: 10h and 30min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Bise, Japan
- Average sunshine days in December: 6.7 days
The months with the most sunshine days are April and May (9.6 days).
The month with the least sunshine days is September (3.8 days).
Average UV index in December
Bise, Japan
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
Bise, Japan
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Bise, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).





