December weather forecastUsuki, Japan
December
Weather in December
The first month of the winter, December, is still a cool month in Usuki, Japan, with temperature in the range of an average low of 6.6°C (43.9°F) and an average high of 11.2°C (52.2°F).Temperature
December's arrival correlates with a reduction in the average high-temperature, down from an enjoyable 16.6°C (61.9°F) in November to a cool 11.2°C (52.2°F). Usuki observes a consistent average low-temperature of 6.6°C (43.9°F) throughout December nights.Humidity
In Usuki, the average relative humidity in December is 74%.Rainfall
In Usuki, in December, it is raining for 13 days, with typically 41mm (1.61") of accumulated precipitation. In Usuki, during the entire year, the rain falls for 156.2 days and collects up to 681mm (26.81") of precipitation.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 1.8 snowfall days, it receives 3mm (0.12") of snow. In Usuki, during the entire year, snow falls for 8.5 days and aggregates up to 13mm (0.51") of snow.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:58 and sunset at 17:05. On the last day of December, sunrise is at 07:15 and sunset at 17:15 JST.
Sunshine
The month with the least sunshine in Usuki, Japan, is December, with an average of 5.6h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Usuki, Japan
- Average high temperature in December: 11.2°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in December: 6.6°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (4.6°C).
Average pressure in December
Usuki, Japan
- Average pressure in December: 1020.9mbar
The month with the highest atmospheric pressure is January (1021.4mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in December
Usuki, Japan
- Average wind speed in December: 15.9km/h
The windiest month (with the highest average wind speed) is January (16km/h).
The calmest month (with the lowest average wind speed) is June (9km/h).
Average humidity in December
Usuki, Japan
- Average humidity in December: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Usuki, Japan
- Average rainfall in December: 41mm
The wettest month (with the highest rainfall) is July (113mm).
The driest month (with the least rainfall) is January (24mm).
Average rainfall days in December
Usuki, Japan
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (21.3 days).
The months with the least rainy days are October and November (9.8 days).
Average snowfall in December
Usuki, Japan
- Average snowfall in December: 3mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Usuki, Japan
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Usuki, Japan
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Usuki, Japan
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in December
Usuki, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Usuki, Japan
- Average cloud cover in December: 36
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Usuki, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
