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
The commencement of December involves a temperature shift, with the average high-temperature dropping from a moderate 13.4°C (56.1°F) in November to a chilly 7.5°C (45.5°F). In Chang'an, December nights cool down to an average of -1.3°C (29.7°F).Humidity
The least humid month in Chang'an, China, is December, with an average relative humidity of 39%.Rainfall
The month with the least rainfall is December, when the rain falls for 1 days and typically collects 1mm (0.04") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Chang'an, China, during December, snow falls for 0.3 days and regularly aggregates up to 1mm (0.04") of snow. Throughout the year, there are 4.8 snowfall days, and 35mm (1.38") of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:32 and sunset at 17:34. On the last day of December, sunrise is at 07:49 and sunset at 17:44 CST.
Sunshine
In Chang'an, the average sunshine in December is 7.3h.UV index
January, November 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 rays for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the least humid month?
What is the average humidity in December?
What is the driest month?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Chang'an have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Chang'an have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Chang'an, China
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is July (33.2°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: -1.3°C
The month with the highest average low temperature is July (22.3°C).
The coldest month (with the lowest average low temperature) is January (-3.4°C).
Average pressure in December
Chang'an, China
- Average pressure in December: 1028.2mbar
The month with the highest atmospheric pressure is December (1028.2mbar).
The month with the lowest atmospheric pressure is July (1004.8mbar).
Average wind speed in December
Chang'an, China
- Average wind speed in December: 6.7km/h
The windiest month (with the highest average wind speed) is March (7.7km/h).
The calmest month (with the lowest average wind speed) is September (6.3km/h).
Average humidity in December
Chang'an, China
- Average humidity in December: 39%
The month with the highest relative humidity is September (64%).
The month with the lowest relative humidity is December (39%).
Average rainfall in December
Chang'an, China
- Average rainfall in December: 1mm
The wettest months (with the highest rainfall) are July and August (53mm).
The driest month (with the least rainfall) is December (1mm).
Average rainfall days in December
Chang'an, China
- Average rainfall days in December: 1 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is December (1 days).
Average snowfall in December
Chang'an, China
- Average snowfall in December: 1mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Chang'an, China
- Average snowfall days in December: 0.3 days
The months with the highest number of snowfall days are January and February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Chang'an, China
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 7h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 54min).
Average sunshine days in December
Chang'an, China
- Average sunshine days in December: 29.7 days
The month with the most sunshine days is December (29.7 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Chang'an, China
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in December
Chang'an, China
- Average cloud cover in December: 15
The month with the most cloud cover is September (Cloud cover 33).
The month with the least cloud cover is December (Cloud cover 15).
Average visibility in December
Chang'an, China
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
