Slovenia in december: average Weather, Temperature and Climate, Where to go?
How is the climate in Slovenia in december? Is it the perfect time to visit Koper and Kranjska Gora? Check out weather averages and informations on this page.
very bad weather across 100% of the territory
Weather in Slovenia in december 2022
Below, find the the weather forecast for the month of december for most popular cities in Slovenia. These predictions are probabilities for the month of december from weather reports for many years. The percentage indicates the possibility of having the weather indicated.
Average weather in december in Ljubljana
very bad weather 373.1cm
Weather at 6am
34°F
Clear/Sunny
31% of time
29%
15%
8%
Weather at 12pm
41°F
Clear/Sunny
39% of time
21%
16%
9%
Weather at 6pm
34°F
Clear/Sunny
31% of time
24%
16%
10%
Weather at 3am
32°F
32%
28%
12%
11%
Where to go in Slovenia in december?
Where to go in Slovenia in december: destination map





Where should you go in Slovenia in december when it comes to the weather?
Remember:
The climate in Slovenia in december is very bad across the board.
warning in december the weather is different depending on the city and regions of the country.
December is not the best month to travel to in Slovenia. The climate in Koper, Portorož and Piran is bad. It's cold, the sun is not there all the time and you take the risk being faced with rain very regularly.
It's much worse around the cities of Koper, Portorož and Piran and surrounding areas where the climate is very bad. It is not recommended to travel to these areas this month.
Climate in Slovenia in december
Climate in Ljubljana in december
In december, maximum temperature is 41°F and minimum temperature is 32°F (for an average temperature of 38°F). The climate is rather more than very fresh in this city in december. Plan a sweater! With 5.2in over 6 days, rain may occur during your trip. But this is pretty reasonably and it will not be continuous.
December | |||
Average temperature | 38°F | ||
Highest temperature | 41°F | ||
Lowest temperature | 32°F | ||
Rainfall | 5.2in | ||
Number of days with rainfall | 6 day(s) (19%) | ||
Humidity | 91% | ||
Daily sunshine hours | 7 | ||
Cloud cover | 46% | ||
Length of day | 08:39 | ||
Our opinion at whereandwhen.net | very bad |
Climate in Ankaran in december
In the month of december, maximum temperature is 49°F and minimum temperature is 38°F (for an average temperature of 43°F). The climate is quite more than very fresh in that area in december. Do not forget to cover yourself! With 9.4in over 8 days, you will experience some showers for your trip. But this is moderate and it is only of temporary showers.
December | |||
Average temperature | 43°F | ||
Highest temperature | 49°F | ||
Lowest temperature | 38°F | ||
Sea temperature | 56°F | ||
Rainfall | 9.4in | ||
Number of days with rainfall | 8 day(s) (27%) | ||
Humidity | 83% | ||
Daily sunshine hours | 7 | ||
Cloud cover | 47% | ||
Length of day | 08:43 | ||
Our opinion at whereandwhen.net | very bad |
Climate in Bled in december
In the month of december, maximum temperature is 40°F and minimum temperature is 31°F (for an average temperature of 34°F). The climate is rather more than very fresh in this location in this month. Do not forget to cover yourself! With 8.3in over 6 days, you risk getting wet slightly during your vacations. But this is moderate and it is only of temporary showers.
December | |||
Average temperature | 34°F | ||
Highest temperature | 40°F | ||
Lowest temperature | 31°F | ||
Rainfall | 8.3in | ||
Number of days with rainfall | 6 day(s) (20%) | ||
Humidity | 88% | ||
Daily sunshine hours | 7 | ||
Cloud cover | 43% | ||
Length of day | 08:36 | ||
Our opinion at whereandwhen.net | very bad |
Climate in Bovec in december
In the month of december, the mean temperature in Bovec is 36°F (maximum temperature is 41°F and minimum temperature is 31°F). The climate is quite cold in this location in december. Do not forget to take with you warm clothes! With 8.3in over 6 days, rainfall can happen during your trip. But this is rather moderate and it will not be continuous.
December | |||
Average temperature | 36°F | ||
Highest temperature | 41°F | ||
Lowest temperature | 31°F | ||
Rainfall | 8.3in | ||
Number of days with rainfall | 6 day(s) (19%) | ||
Humidity | 87% | ||
Daily sunshine hours | 7 | ||
Cloud cover | 42% | ||
Length of day | 08:36 | ||
Our opinion at whereandwhen.net | very bad |
Climate in Izola in december
In the month of december, the mean temperature in Izola is 43°F (maximum temperature is 49°F and minimum temperature is 38°F). The climate is rather more than very fresh around this city in this month. Do not forget to take with you warm clothes! With 9.4in over 8 days, rainfall can happen throughout your vacations. But this is moderate and it is only of temporary showers.
December | |||
Average temperature | 43°F | ||
Highest temperature | 49°F | ||
Lowest temperature | 38°F | ||
Sea temperature | 56°F | ||
Rainfall | 9.4in | ||
Number of days with rainfall | 8 day(s) (27%) | ||
Humidity | 83% | ||
Daily sunshine hours | 7 | ||
Cloud cover | 47% | ||
Length of day | 08:43 | ||
Our opinion at whereandwhen.net | very bad |
All cities in Slovenia in december
Ljubljana in december | very bad weather |
Ankaran in december | very bad weather |
Bled in december | very bad weather |
Bovec in december | very bad weather |
Izola in december | very bad weather |
Jezersko in december | very bad weather |
Koper in december | very bad weather |
Kostabona in december | very bad weather |
Kozjanski park (Kozjansko Regional Park) in december | very bad weather |
Kranjska Gora in december | very bad weather |
Bohinj Lake (Bohinjsko jezero) in december | very bad weather |
Maribor in december | very bad weather |
Mojstrana in december | very bad weather |
Olimje in december | very bad weather |
Piran in december | very bad weather |
Portorož in december | very bad weather |
Predjama in december | very bad weather |
Škofja Loka in december | very bad weather |
Solcava in december | very bad weather |
Stanjel in december | very bad weather |
Triglav National Park (Triglavski narodni park) in december | very bad weather |
Weather data for Slovenia in december:
Weather data for Slovenia in december is derived from an average of the weather forecast since 2009 in Slovenia. There is a margin of error and these forecasts are to be considered as general information only. The weather in Slovenia can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Slovenia.