The capital of Slovenia, Ljubljana, with a small river flowing through the city, and a distant view of the mountains
Weather in December
December in Ljubljana is a true winter month with crisp air and lower temperatures. The city experiences the fewest daylight hours and the least sunshine in the year. This is combined with cold temperatures that often hover around freezing. The rainfall is prevalent throughout the month but is significantly lesser than that observed in the late summer and early fall months. Despite the chilly weather, the city’s ambiance remains warm and welcoming, adorned by holiday decorations and a festive spirit.
On the first day of the month, sunrise is at 07:24 and sunset at 16:18. On the last day of December, sunrise is at 07:43 and sunset at 16:26 CET.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
[Resources]Temperature
The average high-temperature in Ljubljana, Slovenia, decreases in December, shifting from a chilly 8.8°C (47.8°F) in November to a wintry 3.8°C (38.8°F). Ljubljana documents a consistent average low-temperature of -1.1°C (30°F) at night during December.Rainfall
In December, the rain falls for 14 days. Throughout December, 107mm (4.21") of precipitation is accumulated. Throughout the year, in Ljubljana, there are 151 rainfall days, and 1361mm (53.58") of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 07:24 and sunset at 16:18. On the last day of December, sunrise is at 07:43 and sunset at 16:26 CET.
Sunshine
With an average of 1.8h of sunshine, December has the least sunshine of the year.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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
Is it cold in Ljubljana during December?
An average high-temperature, in December, in Ljubljana, is 3.8°C (38.8°F) and 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?
December has the shortest days of the year in Ljubljana, with an average of 8h and 42min 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.
When is the sunrise / sunset in December in Ljubljana?
On the first day of December in Ljubljana, sunrise is at 07:24 and sunset at 16:18. On the last day of the month, sunrise is at 07:43 and sunset at 16:26 CET.
What is the month with the least sunshine in Ljubljana?
December has the least sunshine of the year in Ljubljana, with an average of 1.8h of sunshine.
How long on average sun shines in December in Ljubljana?
In December, the average sunshine duration in Ljubljana is 1.8h.
When is 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 in Ljubljana.
How high is the UV index in December in Ljubljana?
The average daily maximum UV index in December in Ljubljana, Slovenia, is 1. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
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).
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).
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).
Average daylight in December /
Average sunshine in December
Ljubljana, 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: 1h and 5min
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).
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).
Ljubljana, Slovenia
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