Best time to go to Slovenia for a perfect weather and where to go?
When is the best time to go to Slovenia?
When is the best time to go to Slovenia? Here's some information to help you in your decision:
- In Slovenia, the weather is good everywhere in August and September
- The best months to go to Ljubljana are May, June, July, August and September
- On average, the warmest months in Ljubljana are June, July and August, and the coldest month of the year is January
- The rainiest months in this city are February, May, July, September and November
- Nova Gorica is the city with the best climate, with good weather 7 months a year
- The best months for swimming in Piran are June, July, August and September
Annual weather in Slovenia
For information about the climate and the weather city by city in Slovenia for a specific month, click on the corresponding line below:
| Month | Our opinion | View Details | |||
|---|---|---|---|---|---|
| January | -3°C to 8°C | very bad weather | |||
| February | -3°C to 9°C | very bad weather | |||
| March | -0°C to 13°C | very bad weather | |||
| April | 6°C to 18°C | tolerable weather* | |||
| May | 10°C to 21°C | tolerable weather* | |||
| June | 15°C to 27°C | good weather* | |||
| July | 17°C to 29°C | good weather* | |||
| August | 16°C to 29°C | good weather | |||
| September | 11°C to 24°C | good weather | |||
| October | 6°C to 19°C | tolerable weather* | |||
| November | 3°C to 14°C | very bad weather* | |||
| December | -1°C to 9°C | very bad weather |
Best time to travel to Slovenia by cities
Temperatures and rainfall in Slovenia
On these 3 graphs, we present the evolution of temperatures of Slovenia and month-by-month rainfall for the cities of Ljubljana, Maribor, Piran, Ankaran and Bled, as well as the month-by-month sea temperature for coastal cities.
Peak visitor numbers and tourist seasons in Slovenia
Find out when Slovenia has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.
Tourist seasons in Slovenia
The months with low numbers of tourists are: January, February, March, April, October, November and December. The number of visitors to Slovenia is high in: May, June, July, August and September.
- Very low season in Slovenia: January, February, March, November and December.
- Low season in Slovenia: April and October.
- High season in Slovenia: May, June, July and September.
- Peak season in Slovenia: August.
Figure: Visitor index for Slovenia month by month
Average price for flights to Slovenia
A return flight between London and Ljubljana is generally cheaper if you go in january ($ 129 on average): this is the best time for travellers on a tight budget. In contrast, you may end up paying $ 168 more for your airline ticket to Ljubljana if you go in august.
Find the best price for your flight Flight prices to Slovenia
Where to go in Slovenia?
This table allows you to see the maximum temperature for each city and our opinion on the weather month by month (see colour legend below the table).
| Cities | jan. | feb. | mar. | apr. | may | jun. | jul. | aug. | sep. | oct. | nov. | dec. |
| Ljubljana | 3°C | 5°C | 10°C | 16°C | 20°C | 25°C | 27°C | 27°C | 21°C | 15°C | 10°C | 5°C |
| Maribor | 4°C | 6°C | 11°C | 17°C | 20°C | 24°C | 26°C | 27°C | 22°C | 16°C | 11°C | 6°C |
| Piran | 8°C | 9°C | 13°C | 17°C | 21°C | 26°C | 28°C | 29°C | 24°C | 19°C | 14°C | 9°C |
| Ankaran | 8°C | 9°C | 13°C | 17°C | 21°C | 26°C | 28°C | 29°C | 24°C | 19°C | 14°C | 9°C |
| Bled | 2°C | 3°C | 8°C | 13°C | 17°C | 22°C | 24°C | 24°C | 19°C | 13°C | 8°C | 4°C |
| Bohinj Lake (Bohinjsko jezero) | 2°C | 3°C | 8°C | 13°C | 17°C | 22°C | 24°C | 24°C | 19°C | 14°C | 8°C | 4°C |
| Bovec | 3°C | 5°C | 9°C | 14°C | 18°C | 23°C | 25°C | 25°C | 20°C | 15°C | 9°C | 5°C |
| Izola | 8°C | 9°C | 13°C | 17°C | 21°C | 26°C | 28°C | 29°C | 24°C | 19°C | 14°C | 9°C |
| Jezersko | 4°C | 5°C | 10°C | 16°C | 20°C | 25°C | 27°C | 27°C | 21°C | 16°C | 10°C | 5°C |
| Koper | 8°C | 9°C | 13°C | 17°C | 21°C | 26°C | 28°C | 29°C | 24°C | 19°C | 14°C | 9°C |
| Kostabona | 8°C | 9°C | 13°C | 17°C | 21°C | 26°C | 28°C | 29°C | 24°C | 19°C | 14°C | 9°C |
| Kozjanski park (Kozjansko Regional Park) | 4°C | 5°C | 11°C | 16°C | 20°C | 24°C | 26°C | 27°C | 21°C | 16°C | 10°C | 5°C |
| Kranjska Gora | 2°C | 3°C | 8°C | 13°C | 17°C | 22°C | 24°C | 24°C | 19°C | 13°C | 8°C | 4°C |
| Mojstrana | 2°C | 3°C | 8°C | 13°C | 17°C | 22°C | 24°C | 24°C | 19°C | 13°C | 8°C | 4°C |
| Olimje | 4°C | 5°C | 11°C | 16°C | 20°C | 24°C | 26°C | 27°C | 21°C | 16°C | 10°C | 5°C |
| Portorož | 8°C | 9°C | 13°C | 17°C | 21°C | 26°C | 28°C | 29°C | 24°C | 19°C | 14°C | 9°C |
| Predjama | 4°C | 5°C | 10°C | 15°C | 19°C | 24°C | 26°C | 27°C | 21°C | 15°C | 10°C | 6°C |
| Škofja Loka | 3°C | 5°C | 10°C | 16°C | 20°C | 25°C | 27°C | 27°C | 21°C | 15°C | 10°C | 4°C |
| Solcava | 4°C | 5°C | 10°C | 16°C | 20°C | 25°C | 27°C | 27°C | 21°C | 16°C | 10°C | 5°C |
| Stanjel | 8°C | 9°C | 12°C | 17°C | 20°C | 25°C | 28°C | 29°C | 24°C | 18°C | 13°C | 9°C |
Legend:
good weather
tolerable weather
bad weather
very bad weather
About Slovenia
What can I do in Slovenia?
Beaches / swimming
Nature and countryside
Culture and heritage
Sports
Family travel
Crafts / shopping
Gastronomy
Nightlife
Is this weather information for Slovenia reliable?
Climate data for Slovenia has been gathered every day since January 2009. The analysis of these meteorological data for Slovenia allows us to determine the average for each month in Ljubljana, Maribor, Piran, Ankaran, Bled, Bohinj Lake (Bohinjsko jezero), Bovec, Izola, and 39 other cities.
So yes: this data is reliable except in cases of temporary climate disruption in the region.