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
December
Weather in December
Temperature
Onset of December comes with a temperature decline, the average high falling from an enjoyable 17.5°C (63.5°F) in November to a cool 11.2°C (52.2°F). Nighttime temperature in Yamaga lowers to an average of 5.5°C (41.9°F) in December.Humidity
The average relative humidity in December is 73%.Rainfall
In Yamaga, in December, it is raining for 10.6 days, with typically 56mm (2.2") of accumulated precipitation. In Yamaga, during the entire year, the rain falls for 164.6 days and collects up to 1175mm (46.26") of precipitation.Snowfall
Months with snowfall in Yamaga are January, February and December. December is the first month it typically snows. Throughout December, in the average 1.5 snowfall days, it receives 10mm (0.39") of snow. In Yamaga, during the entire year, snow falls for 4.1 days and aggregates up to 23mm (0.91") of snow.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 07:02 and sunset at 17:10. On the last day of the month, sunrise is at 07:19 and sunset at 17:20 JST.
Sunshine
In Yamaga, the average sunshine in December is 5.2h.UV index
The month with the lowest UV index in Yamaga is December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Yamaga in December?
What is the average humidity in December in Yamaga?
How much does it rain in Yamaga in December?
When does it start to snow in Yamaga?
What is the month with the shortest days in Yamaga?
What is the average length of the day in December in Yamaga?
When is the sunrise / sunset in December in Yamaga?
How long on average sun shines in December in Yamaga?
What is the month with the lowest UV index in Yamaga?
How high is the UV index in December in Yamaga?
Average temperature in December
Yamaga, Japan
- Average high temperature in December: 11.2°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in December: 5.5°C
The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure in December
Yamaga, Japan
- Average pressure in December: 1021.3mbar
The month with the highest atmospheric pressure is January (1021.9mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in December
Yamaga, Japan
- Average wind speed in December: 8.9km/h
The windiest months (with the highest average wind speed) are March and October (9.7km/h).
The calmest month (with the lowest average wind speed) is June (7.7km/h).
Average humidity in December
Yamaga, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are March and April (71%).
Average rainfall in December
Yamaga, Japan
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is July (251mm).
The driest month (with the least rainfall) is January (32mm).
Average rainfall days in December
Yamaga, Japan
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is July (23 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Yamaga, Japan
- Average snowfall in December: 10mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Yamaga, Japan
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (1.7 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
Yamaga, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Yamaga, Japan
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in December
Yamaga, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Yamaga, Japan
- Average cloud cover in December: 42
The month with the most cloud cover is June (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Yamaga, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, October, November and December (10km).
The month with the lowest visibility is July (8km).
