worldweatherSlovenia weather in December - temperature, rain and is it a good time to visit?
Daytime
6°
Night
-1°
☀️ Day length
8 h 39 min
Chance of rain
24%
Snow days
12%
In December, Slovenia averages about 6° during the day and -1° at night. It's usually fairly dry, with only about a 24% chance of rain.
Slovenia weather all year - average temperatures and rain
| Month | Day | Night | Chance of rain |
|---|---|---|---|
| January | 5℃ | -2℃ | 30% |
| February | 7℃ | -1℃ | 43% |
| March | 12℃ | 2℃ | 34% |
| April ★ | 18℃ | 6℃ | 44% |
| May ★ | 21℃ | 10℃ | 55% |
| June ★ | 26℃ | 14℃ | 48% |
| July ★ | 28℃ | 16℃ | 47% |
| August ★ | 27℃ | 15℃ | 39% |
| September ★ | 22℃ | 12℃ | 44% |
| October ★ | 17℃ | 7℃ | 41% |
| November | 11℃ | 3℃ | 44% |
| December | 6℃ | -1℃ | 24% |
★ - months most often recommended for travel
Where is it warmest in Slovenia in December? Weather by city
| Place | Day | Night | 🌊 Sea | Chance of rain |
|---|---|---|---|---|
| Koper | 11℃ | 3℃ | 11℃ | 21% |
| Predjama | 11℃ | 5℃ | - | 23% |
| Maribor | 6℃ | -2℃ | - | 27% |
| Novo Mesto | 6℃ | -2℃ | - | 20% |
| Ptuj | 6℃ | -2℃ | - | 27% |
| Ljubljana | 5℃ | -4℃ | - | 23% |
| Kranj | 5℃ | -2℃ | - | 28% |
| Celje | 5℃ | -2℃ | - | 31% |
| Smartnoprilitiji | 5℃ | -4℃ | - | 23% |
| Velenje | 2℃ | -4℃ | - | 15% |
Travelling soon? Check the live 14-day weather forecast for Slovenia.