December weather forecast
Biru, China

December

Weather in December

The first month of the winter, December, is still a freezing cold month in Biru, China, with temperature in the range of an average low of -15°C (5°F) and an average high of -5.6°C (21.9°F).

Temperature

Biru's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's -1.8°C (28.8°F) to a still freezing cold -5.6°C (21.9°F). An average nighttime temperature of -15°C (5°F) is witnessed in Biru throughout December.

Humidity

December is the least humid month, with an average relative humidity of 45%.

Rainfall

December is the month with the least rainfall in Biru. Rain falls for 1.7 days and accumulates 4mm (0.16") of precipitation.

Snowfall

January through December are months with snowfall in Biru. In Biru, in December, during 4.1 snowfall days, 26mm (1.02") of snow is typically accumulated. In Biru, during the entire year, snow falls for 80.9 days and aggregates up to 1196mm (47.09") of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of December in Biru, China, sunrise is at 08:26 and sunset at 18:41. On the last day of the month, sunrise is at 08:44 and sunset at 18:52 CST.

Sunshine

In Biru, the average sunshine in December is 7.3h.

UV index

January through May, September through December, with an average maximum UV index of 2, are months with the lowest UV index in Biru. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, a regular UV index of 2 translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

How cold is it in Biru in December?
The high-temperature, in December, in Biru, is -5.6°C (21.9°F), while the low-temperature averages to -15°C (5°F).
What is the least humid month in Biru?
With an average relative humidity of 45%, December is the least humid month in Biru, China.
What is the average humidity in December in Biru?
The average relative humidity in December in Biru, China, is 45%.
What is the driest month in Biru?
December is the month with the least rainfall in Biru. Rain falls for 1.7 days and accumulates 4mm (0.16") of precipitation.
How much does it rain in Biru in December?
In Biru, China, in December, during 1.7 rainfall days, 4mm (0.16") of precipitation is typically accumulated.
How much does it snow in Biru in December?
In Biru, China, in December, snow falls for 4.1 days, with typically accumulated 26mm (1.02") of snow.
What is the month with the shortest days in Biru?
With an average of 10h and 6min of daylight, December has the shortest days of the year.
How many hours of daylight does Biru have in December?
In December, the average day length is 10h and 8min.
When is the sunrise / sunset in December in Biru?
On the first day of December in Biru, sunrise is at 08:26 and sunset at 18:41. On the last day of the month, sunrise is at 08:44 and sunset at 18:52 CST.
How long on average sun shines in December in Biru?
The average sunshine duration in December is 7.3h.
What is the month with the lowest UV index in Biru?
January through May, September through December, with an average maximum UV index of 2, are months with the lowest UV index in Biru, China.
What is the UV index intensity in December in Biru?
In Biru, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Biru, China
Average temperature in December
Biru, China
  • Average high temperature in December: -5.6°C

The warmest month (with the highest average high temperature) is July (14.7°C).
The month with the lowest average high temperature is January (-8.6°C).

  • Average low temperature in December: -15°C

The month with the highest average low temperature is July (5.8°C).
The coldest month (with the lowest average low temperature) is January (-19.5°C).

Average pressure in December - Biru, China
Average pressure in December
Biru, China
  • Average pressure in December: 1019.8mbar

The month with the highest atmospheric pressure is November (1020.3mbar).
The month with the lowest atmospheric pressure is July (1006.7mbar).

Average wind speed in December - Biru, China
Average wind speed in December
Biru, China
  • Average wind speed in December: 10km/h

The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).

Average humidity in December - Biru, China
Average humidity in December
Biru, China
  • Average humidity in December: 45%

The month with the highest relative humidity is September (63%).
The month with the lowest relative humidity is December (45%).

Average rainfall in December - Biru, China
Average rainfall in December
Biru, China
  • Average rainfall in December: 4mm

The wettest month (with the highest rainfall) is June (134mm).
The driest month (with the least rainfall) is December (4mm).

Average rainfall days in December - Biru, China
Average rainfall days in December
Biru, China
  • Average rainfall days in December: 1.7 days

The month with the highest number of rainy days is June (21.9 days).
The month with the least rainy days is December (1.7 days).

Average snowfall in December - Biru, China
Average snowfall in December
Biru, China
  • Average snowfall in December: 26mm

The month with the highest snowfall is May (286mm).
The month with the least snowfall is August (11mm).

Average snowfall days in December - Biru, China
Average snowfall days in December
Biru, China
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is May (13.6 days).
The month with the least snowfall days is August (1.6 days).

Average daylight in December / Average sunshine in December - Biru, China
Average daylight in December /
Average sunshine in December
Biru, China
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 7h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).

Average sunshine days in December - Biru, China
Average sunshine days in December
Biru, China
  • Average sunshine days in December: 26.3 days

The month with the most sunshine days is December (26.3 days).
The month with the least sunshine days is June (2.9 days).

Average UV index in December - Biru, China
Average UV index in December
Biru, China
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, April, May, September, October, November and December (UV index 2).

Average cloud cover in December - Biru, China
Average cloud cover in December
Biru, China
  • Average cloud cover in December: 15

The months with the most cloud cover are June and July (Cloud cover 28).
The month with the least cloud cover is December (Cloud cover 15).

Average visibility in December - Biru, China
Average visibility in December
Biru, China
  • Average visibility in December: 10km

The months with the highest visibility are February, March, June, August, September and December (10km).
The months with the lowest visibility are January, April, May, July, October and November (9km).

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