December weather forecast
Slivek, Bulgaria

December

Weather in December

The first month of the winter, December, is also a wintry month in Slivek, Bulgaria, with an average temperature fluctuating between 5.1°C (41.2°F) and -1°C (30.2°F).

Temperature

Onset of December comes with a temperature decline, the average high falling from a cool 11.9°C (53.4°F) in November to a wintry 5.1°C (41.2°F). In the month of December, Slivek records a consistent average low-temperature of -1°C (30.2°F).

Humidity

In Slivek, the average relative humidity in December is 79%.

Rainfall

In December, the rain falls for 9.5 days. Throughout December, 37mm (1.46") of precipitation is accumulated. Throughout the year, in Slivek, there are 152.5 rainfall days, and 601mm (23.66") of precipitation is accumulated.

Snowfall

Months with snowfall in Slivek are January through April, October through December. In December, it is snowing for 6.3 days. Throughout December, 111mm (4.37") of snow is accumulated. Throughout the year, there are 27.5 snowfall days, and 612mm (24.09") of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 07:33 and sunset at 16:47. On the last day of the month, sunrise is at 07:52 and sunset at 16:55 EET.

Sunshine

The average sunshine in December is 5.6h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Around midday, solar radiation is most harmful; hence, exposure should be limited. Enhance your sun protection with tightly woven, yet airy clothing. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

How cold is it in Slivek in December?
The average high-temperature, in December, in Slivek, is 5.1°C (41.2°F), while the average low-temperature is -1°C (30.2°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is estimated at 30°C (86°F).
What is the average humidity in December in Slivek?
The average relative humidity in December in Slivek is 79%.
How much does it rain in Slivek in December?
In Slivek, in December, during 9.5 rainfall days, 37mm (1.46") of precipitation is typically accumulated.
How many days does it snow in December in Slivek?
In December, in Slivek, Bulgaria, it is snowing for 6.3 days. Throughout December, 111mm (4.37") of snow is accumulated.
What is the month with the shortest days in Slivek?
December has the shortest days of the year in Slivek, Bulgaria, with an average of 9h and 6min of daylight.
How many hours of daylight does Slivek have in December?
In Slivek, the average day length in December is 9h and 4min.
When is the sunrise / sunset in December in Slivek?
On the first day of December, sunrise is at 07:33 and sunset at 16:47. On the last day of the month, sunrise is at 07:52 and sunset at 16:55 EET.
How many hours of sunshine does Slivek have in December?
In December, the average sunshine duration is 5.6h.
What are the months with the lowest UV index in Slivek?
The months with the lowest UV index in Slivek, Bulgaria, are January, February, November and December, with an average maximum UV index of 2.
What is the UV index intensity in December in Slivek?
In December, the average daily maximum UV index in Slivek, Bulgaria, is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's 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
Slivek, Bulgaria
  • Average high temperature in December: 5.1°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 (3°C).

  • Average low temperature in December: -1°C

The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).

Average pressure in December
Slivek, Bulgaria
  • Average pressure in December: 1020.6mbar

The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).

Average wind speed in December
Slivek, Bulgaria
  • Average wind speed in December: 8.7km/h

The windiest month (with the highest average wind speed) is March (10km/h).
The calmest month (with the lowest average wind speed) is November (7.7km/h).

Average humidity in December
Slivek, Bulgaria
  • Average humidity in December: 79%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (57%).

Average rainfall in December
Slivek, Bulgaria
  • Average rainfall in December: 37mm

The wettest month (with the highest rainfall) is June (92mm).
The driest month (with the least rainfall) is September (31mm).

Average rainfall days in December
Slivek, Bulgaria
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in December
Slivek, Bulgaria
  • Average snowfall in December: 111mm

The month with the highest snowfall is February (181mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Slivek, Bulgaria
  • Average snowfall days in December: 6.3 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Slivek, Bulgaria
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in December
Slivek, Bulgaria
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (8.5 days).

Average UV index in December
Slivek, Bulgaria
  • Average UV index in December: 2

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Slivek, Bulgaria
  • Average cloud cover in December: 40

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in December
Slivek, Bulgaria
  • Average visibility in December: 9km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).

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