December weather forecast
Cerkno, Slovenia

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Weather in December

The first month of the winter, December, is also an icy month in Cerkno, Slovenia, with temperature in the range of an average low of -2.6°C (27.3°F) and an average high of 2.7°C (36.9°F).

Temperature

Cerkno in December undergoes a slight reduction in the average high-temperature, shifting from November's chilly 7.3°C (45.1°F) to a cold 2.7°C (36.9°F). During December, the average low-temperature in Cerkno is a freezing cold -2.6°C (27.3°F).

Humidity

The average relative humidity in December in Cerkno, Slovenia, is 83%.

Rainfall

In Cerkno, during December, the rain falls for 8.5 days and regularly aggregates up to 92mm (3.62") of precipitation. In Cerkno, during the entire year, the rain falls for 165.5 days and collects up to 1310mm (51.57") of precipitation.

Snowfall

Months with snowfall in Cerkno are January through May, October through December. In December, in Cerkno, it is snowing for 14 days. Throughout December, 482mm (18.98") of snow is accumulated. In Cerkno, during the entire year, snow falls for 77 days and aggregates up to 3016mm (118.74") of snow.

Daylight

December has the shortest days of the year in Cerkno, with an average of 8h and 42min of daylight.
On the first day of the month, sunrise is at 07:26 and sunset at 16:20. On the last day of December, sunrise is at 07:46 and sunset at 16:28 CET.

Sunshine

In December, the average sunshine is 5.4h.

UV index

The months with the lowest UV index in Cerkno are January, February, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

How cold is December in Cerkno?

The average high-temperature, in December, in Cerkno, is 2.7°C (36.9°F), while the average low-temperature is -2.6°C (27.3°F).

What is the average humidity in December in Cerkno?

In Cerkno, Slovenia, the average relative humidity in December is 83%.

How much does it rain in Cerkno in December?

In December, in Cerkno, Slovenia, the rain falls for 8.5 days. Throughout December, 92mm (3.62") of precipitation is accumulated.

How many days does it snow in December in Cerkno?

In Cerkno, in December, during 14 snowfall days, 482mm (18.98") of snow is typically accumulated.

What is the month with the shortest days in Cerkno?

With an average of 8h and 42min of daylight, December has the shortest days of the year.

How many hours of daylight does Cerkno have in December?

The average day length in December is 8h and 42min.

When are sunrise and sunset in December in Cerkno?

In December, on the first day of the month, sunrise is at 07:26 and sunset at 16:20. On the last day of the month, sunrise is at 07:46 and sunset at 16:28 CET.

How long on average sun shines in December in Cerkno?

The average sunshine duration in December is 5.4h.

When is the lowest UV index in Cerkno?

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in December in Cerkno?

In Cerkno, Slovenia, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cerkno, Slovenia

Average temperature in December - Cerkno, Slovenia
  • Average high temperature in December: 2.7°C

The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (1.5°C).

  • Average low temperature in December: -2.6°C

The month with the highest average low temperature is August (12.2°C).
The coldest months (with the lowest average low temperature) are January and February (-4.3°C).

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Average pressure in December
Cerkno, Slovenia

Average pressure in December - Cerkno, Slovenia
  • Average pressure in December: 1020.2mbar

The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is May (1015.1mbar).

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Average wind speed in December
Cerkno, Slovenia

Average wind speed in December - Cerkno, Slovenia
  • Average wind speed in December: 6.4km/h

The windiest month (with the highest average wind speed) is February (7.5km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).

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Average humidity in December
Cerkno, Slovenia

Average humidity in December - Cerkno, Slovenia
  • Average humidity in December: 83%

The month with the highest relative humidity is November (88%).
The months with the lowest relative humidity are July and August (76%).

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Average rainfall in December
Cerkno, Slovenia

Average rainfall in December - Cerkno, Slovenia
  • Average rainfall in December: 92mm

The wettest month (with the highest rainfall) is November (197mm).
The driest month (with the least rainfall) is January (69mm).

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Average rainfall days in December
Cerkno, Slovenia

Average rainfall days in December - Cerkno, Slovenia
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is May (22.4 days).
The month with the least rainy days is December (8.5 days).

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Average snowfall in December
Cerkno, Slovenia

Average snowfall in December - Cerkno, Slovenia
  • Average snowfall in December: 482mm

The month with the highest snowfall is February (856mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in December
Cerkno, Slovenia

Average snowfall days in December - Cerkno, Slovenia
  • Average snowfall days in December: 14 days

The month with the highest number of snowfall days is February (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Cerkno, Slovenia

Average daylight in December / Average sunshine in December - Cerkno, Slovenia
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 5h 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: 4h and 36min).

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Average sunshine days in December
Cerkno, Slovenia

Average sunshine days in December - Cerkno, Slovenia
  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is August (16.4 days).
The month with the least sunshine days is May (6.4 days).

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Average UV index in December
Cerkno, Slovenia

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

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in December
Cerkno, Slovenia

Average cloud cover in December - Cerkno, Slovenia
  • Average cloud cover in December: 42

The month with the most cloud cover is November (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in December
Cerkno, Slovenia

Average visibility in December - Cerkno, Slovenia
  • Average visibility in December: 8km

The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are February and November (7km).

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Cerkno, Slovenia

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