Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The onset of December brings a small shift in high-temperatures, falling from a refreshing 15.2°C (59.4°F) in November to a cool 10.5°C (50.9°F). Yamakita's temperature in December lowers to a consistent average of 5.1°C (41.2°F) during the nights.Humidity
In Yamakita, the average relative humidity in December is 69%.Rainfall
In Yamakita, Japan, in December, it is raining for 9.8 days, with typically 25mm (0.98") of accumulated precipitation. In Yamakita, during the entire year, the rain falls for 179.7 days and collects up to 587mm (23.11") of precipitation.Snowfall
January, February and December are months with snowfall in Yamakita. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 2.9 snowfall days, and 13mm (0.51") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 06:34 and sunset at 16:31. On the last day of December, sunrise is at 06:52 and sunset at 16:41 JST.
Sunshine
The average sunshine in December in Yamakita is 6.3h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December leads to these advisories:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Yamakita?
What is the average humidity in December in Yamakita?
How much does it rain in Yamakita in December?
When does it start to snow in Yamakita?
What is the month with the shortest days in Yamakita?
How many hours of daylight does Yamakita have in December?
What time are sunrise and sunset in December in Yamakita?
How long on average sun shines in December in Yamakita?
When is the lowest UV index in Yamakita?
What is the UV index intensity in December in Yamakita?
Average temperature in December
Yamakita, Japan
- Average high temperature in December: 10.5°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in December: 5.1°C
The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in December
Yamakita, Japan
- Average pressure in December: 1016.6mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in December
Yamakita, Japan
- Average wind speed in December: 12.8km/h
The windiest month (with the highest average wind speed) is March (13.9km/h).
The calmest month (with the lowest average wind speed) is June (11.1km/h).
Average humidity in December
Yamakita, Japan
- Average humidity in December: 69%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (66%).
Average rainfall in December
Yamakita, Japan
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is July (102mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in December
Yamakita, Japan
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Yamakita, Japan
- Average snowfall in December: 1mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Yamakita, Japan
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.3 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
Yamakita, Japan
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in December
Yamakita, Japan
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is July (5.3 days).
Average UV index in December
Yamakita, Japan
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Yamakita, Japan
- Average cloud cover in December: 29
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in December
Yamakita, 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).
Yamakita, Japan
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