December weather forecast
Ljubljana, Slovenia

The capital of Slovenia, Ljubljana, with a small river flowing through the city, and a distant view of the mountains
The capital of Slovenia, Ljubljana, with a small river flowing through the city, and a distant view of the mountains

Weather in December

The first month of the winter, December, is also a wintry month in Ljubljana, Slovenia, with an average temperature ranging between min -1.1°C (30°F) and max 3.8°C (38.8°F).

Temperature

In Ljubljana, Slovenia, the average high-temperature in December drops from a frosty 8.8°C (47.8°F) in November to a cold 3.8°C (38.8°F). In December, the average low-temperature is -1.1°C (30°F).

Rainfall

In Ljubljana, in December, it is raining for 14 days, with typically 107mm (4.21") of accumulated precipitation. Throughout the year, there are 151 rainfall days, and 1361mm (53.58") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 43min of daylight.
On the first day of December in Ljubljana, sunrise is at 07:23 and sunset at 16:18. On the last day of the month, sunrise is at 07:43 and sunset at 16:25 CET.

Sunshine

The month with the least sunshine is December, with an average of 1.8h of sunshine.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Ljubljana. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in December in Ljubljana?

The average high-temperature, in December, is 3.8°C (38.8°F), while the average low-temperature is -1.1°C (30°F).

How many days does it rain in December in Ljubljana?

In Ljubljana, during December, the rain falls for 14 days and regularly aggregates up to 107mm (4.21") of precipitation.

What is the month with the shortest days in Ljubljana?

The month with the shortest days in Ljubljana is December, with an average of 8h and 43min of daylight.

How many hours of daylight does Ljubljana have in December?

In Ljubljana, Slovenia, the average day length in December is 8h and 43min.

What time are sunrise and sunset in December in Ljubljana?

In December, on the first day of the month, sunrise is at 07:23 and sunset at 16:18. On the last day of the month, in Ljubljana, sunrise is at 07:43 and sunset at 16:25 CET.

What is the month with the least sunshine in Ljubljana?

The month with the least sunshine in Ljubljana is December, with an average of 1.8h of sunshine.

How long on average sun shines in December in Ljubljana?

The average sunshine duration in December is 1.8h.

What is the month with the lowest UV index in Ljubljana?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in December in Ljubljana?

In December, the average daily maximum UV index in Ljubljana is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Ljubljana, Slovenia

Average temperature in December - Ljubljana, Slovenia
  • Average high temperature in December: 3.8°C

The warmest month (with the highest average high temperature) is July (27.3°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in December: -1.1°C

The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).

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Average rainfall in December
Ljubljana, Slovenia

Average rainfall in December - Ljubljana, Slovenia
  • Average rainfall in December: 107mm

The wettest months (with the highest rainfall) are September and October (147mm).
The driest month (with the least rainfall) is January (69mm).

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Average rainfall days in December
Ljubljana, Slovenia

Average rainfall days in December - Ljubljana, Slovenia
  • Average rainfall days in December: 14 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (9 days).

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

Average daylight in December / Average sunshine in December - Ljubljana, Slovenia
  • Average daylight in December: 8h and 43min

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 43min).

  • Average sunshine in December: 1h and 48min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).

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Average UV index in December
Ljubljana, Slovenia

Average UV index in December - Ljubljana, Slovenia
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).

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