December weather forecast
Trbonje, Slovenia

December

Weather in December

The first month of the winter, December, is also an icy month in Trbonje, Slovenia, with temperature in the range of an average high of 3.2°C (37.8°F) and an average low of -2°C (28.4°F).

Temperature

During the shift to December, Trbonje records a mild decrease in average high-temperature, moving from a chilly 7.8°C (46°F) in November to a cold 3.2°C (37.8°F). In the month of December, the temperature in Trbonje, Slovenia, generally rests at an average low of -2°C (28.4°F).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Trbonje, in December, it is raining for 10.4 days, with typically 52mm (2.05") of accumulated precipitation. Throughout the year, in Trbonje, there are 192.8 rainfall days, and 1073mm (42.24") of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Trbonje, Slovenia. In Trbonje, during December, snow falls for 7.9 days and regularly aggregates up to 161mm (6.34") of snow. Throughout the year, in Trbonje, there are 42.2 snowfall days, and 840mm (33.07") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 36min of daylight.
On the first day of December in Trbonje, sunrise is at 07:23 and sunset at 16:13. On the last day of the month, sunrise is at 07:43 and sunset at 16:21 CET.

Sunshine

In December, the average sunshine is 4.7h.

UV index

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

How cold does it get in Trbonje in December?
In December, in Trbonje, the average high-temperature is 3.2°C (37.8°F), and the average low-temperature is -2°C (28.4°F).
What is the average humidity in December in Trbonje?
In Trbonje, the average relative humidity in December is 85%.
How many days does it rain in December in Trbonje?
In December, in Trbonje, Slovenia, the rain falls for 10.4 days. Throughout December, 52mm (2.05") of precipitation is accumulated.
How many days does it snow in December in Trbonje?
In December, in Trbonje, Slovenia, it is snowing for 7.9 days. Throughout December, 161mm (6.34") of snow is accumulated.
What is the month with the shortest days in Trbonje?
The month with the shortest days is December, with an average of 8h and 36min of daylight.
How many hours of daylight does Trbonje have in December?
In Trbonje, the average day length in December is 8h and 38min.
When are sunrise and sunset in December in Trbonje?
In December, on the first day of the month, sunrise is at 07:23 and sunset at 16:13. On the last day of the month, in Trbonje, Slovenia, sunrise is at 07:43 and sunset at 16:21 CET.
How long on average sun shines in December in Trbonje?
The average sunshine duration in December in Trbonje is 4.7h.
What is the UV index reading in December in Trbonje?
The average daily maximum UV index in December in Trbonje is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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 - Trbonje, Slovenia
Average temperature in December
Trbonje, Slovenia
  • Average high temperature in December: 3.2°C

The warmest month (with the highest average high temperature) is July (23.8°C).
The month with the lowest average high temperature is January (1.9°C).

  • Average low temperature in December: -2°C

The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).

Average pressure in December - Trbonje, Slovenia
Average pressure in December
Trbonje, Slovenia
  • Average pressure in December: 1020.4mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is May (1015.1mbar).

Average wind speed in December - Trbonje, Slovenia
Average wind speed in December
Trbonje, Slovenia
  • Average wind speed in December: 6.8km/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 August (5.7km/h).

Average humidity in December - Trbonje, Slovenia
Average humidity in December
Trbonje, Slovenia
  • Average humidity in December: 85%

The month with the highest relative humidity is November (88%).
The month with the lowest relative humidity is April (76%).

Average rainfall in December - Trbonje, Slovenia
Average rainfall in December
Trbonje, Slovenia
  • Average rainfall in December: 52mm

The wettest month (with the highest rainfall) is May (162mm).
The driest month (with the least rainfall) is January (42mm).

Average rainfall days in December - Trbonje, Slovenia
Average rainfall days in December
Trbonje, Slovenia
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (25 days).
The month with the least rainy days is January (9.5 days).

Average snowfall in December - Trbonje, Slovenia
Average snowfall in December
Trbonje, Slovenia
  • Average snowfall in December: 161mm

The month with the highest snowfall is February (277mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December - Trbonje, Slovenia
Average snowfall days in December
Trbonje, Slovenia
  • Average snowfall days in December: 7.9 days

The month with the highest number of snowfall days is January (12.7 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 - Trbonje, Slovenia
Average daylight in December /
Average sunshine in December
Trbonje, Slovenia
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in December - Trbonje, Slovenia
Average sunshine days in December
Trbonje, Slovenia
  • Average sunshine days in December: 14.9 days

The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is May (4.8 days).

Average UV index in December - Trbonje, Slovenia
Average UV index in December
Trbonje, Slovenia
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and November (UV index 1).

Average cloud cover in December - Trbonje, Slovenia
Average cloud cover in December
Trbonje, Slovenia
  • Average cloud cover in December: 52

The months with the most cloud cover are February and November (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in December - Trbonje, Slovenia
Average visibility in December
Trbonje, Slovenia
  • Average visibility in December: 7km

The months with the highest visibility are March, April, May, June, July and August (8km).
The month with the lowest visibility is November (6km).

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