Best time to go to Slovenia for a perfect weather and where to go?

Discover the very best time to visit Slovenia from average weather conditions in many locations like Koper or Piran here.

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 at least tolerable in May, June, July, 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 February
  • The rainiest months in this city are February, May, June, July, September and November
  • The cities with the best climate are Koper, Piran, Portorož, Nova Gorica and Sežana, with good weather at least 7 months a year
  • The best months for swimming in Koper are June, July, August and September

For information about the climate and the weather city by city in Slovenia for a specific month, click on the corresponding line below:

Month
January -1°C to 7°C
37%
February -1°C to 7°C
47%
March 4°C to 11°C
38%
April 9°C to 16°C
46%
May 14°C to 20°C
62%
June 18°C to 24°C
59%
July 20°C to 28°C
55%
August 20°C to 28°C
41%
September 15°C to 22°C
43%
October 10°C to 16°C
33%
November 5°C to 12°C
40%
December 1°C to 8°C
34%
* weather varies across the country

Best time to travel to Slovenia by cities

Ljubljana

Best time to go to Ljubljana

The best months to go to Ljubljana are may, june, july, august and september.

Bled

Best time to go to Bled

The best months to go to Bled are april, may, june, july, august and september.

Bovec

Best time to go to Bovec

The best months to go to Bovec are august and september.

Koper

Best time to go to Koper

The best months to go to Koper are april, may, june, july, august, september and october.

Kranjska Gora

Best time to go to Kranjska Gora

The best months to go to Kranjska Gora are april, may, june, july, august and september.

Maribor

Best time to go to Maribor

The best months to go to Maribor are april, august and september.

Other cities and places in Slovenia

Piran
Piran
Portorož
Portorož
Brežice
Brežice
Celje
Celje
Idrija
Idrija
Ilirska Bistrica
Ilirska Bistrica
Kamnik
Kamnik
Kranj
Kranj
See full list of cities

Climate and Weather in Slovenia

This content will be available soon.

Slovenia: Piran, Slovenia.

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, Bled, Bovec, Koper and Kranjska Gora, as well as the month-by-month sea temperature for coastal cities.

4°C
-0°C 		5°C
-0°C 		11°C
3°C 		17°C
8°C 		22°C
13°C 		26°C
16°C 		28°C
18°C 		28°C
19°C 		22°C
14°C 		16°C
8°C 		11°C
6°C 		6°C
2°C
35% 44% 34% 41% 50% 46% 37% 33% 34% 27% 36% 32%
2°C
-1°C 		3°C
-2°C 		7°C
1°C 		14°C
6°C 		18°C
11°C 		22°C
14°C 		25°C
17°C 		25°C
17°C 		19°C
12°C 		13°C
6°C 		8°C
4°C 		4°C
-0°C
33% 48% 45% 57% 72% 68% 76% 57% 53% 39% 47% 33%
3°C
-0°C 		4°C
-0°C 		9°C
2°C 		15°C
7°C 		19°C
11°C 		23°C
15°C 		26°C
18°C 		26°C
18°C 		21°C
13°C 		15°C
7°C 		9°C
5°C 		5°C
1°C
31% 43% 41% 54% 71% 69% 71% 55% 49% 36% 43% 28%
8°C
5°C 		9°C
5°C 		14°C
7°C 		19°C
11°C 		23°C
15°C 		27°C
19°C 		30°C
21°C 		31°C
22°C 		25°C
18°C 		19°C
12°C 		15°C
10°C 		10°C
6°C
37% 44% 37% 42% 51% 44% 38% 31% 39% 34% 47% 36%
11°C 10°C 11°C 14°C 19°C 23°C 25°C 25°C 24°C 20°C 17°C 14°C
2°C
-1°C 		3°C
-2°C 		7°C
1°C 		14°C
6°C 		18°C
11°C 		22°C
14°C 		25°C
16°C 		25°C
17°C 		19°C
12°C 		13°C
7°C 		8°C
4°C 		4°C
-0°C
33% 48% 45% 57% 72% 68% 75% 57% 53% 39% 47% 33%
4°C
-0°C 		5°C
-0°C 		11°C
4°C 		18°C
9°C 		21°C
13°C 		25°C
16°C 		27°C
18°C 		27°C
19°C 		22°C
14°C 		16°C
8°C 		11°C
5°C 		5°C
1°C
34% 47% 35% 44% 65% 68% 69% 46% 45% 30% 33% 29%
8°C
5°C 		9°C
5°C 		14°C
7°C 		19°C
11°C 		23°C
15°C 		27°C
19°C 		30°C
21°C 		31°C
22°C 		25°C
18°C 		19°C
12°C 		15°C
10°C 		10°C
6°C
37% 44% 37% 42% 51% 44% 38% 31% 39% 34% 47% 36%
11°C 10°C 11°C 14°C 18°C 23°C 25°C 25°C 24°C 19°C 17°C 14°C
8°C
5°C 		9°C
5°C 		14°C
7°C 		19°C
11°C 		23°C
15°C 		27°C
19°C 		30°C
21°C 		31°C
22°C 		25°C
18°C 		19°C
12°C 		15°C
10°C 		10°C
6°C
37% 44% 37% 42% 51% 44% 38% 31% 39% 34% 47% 36%
11°C 10°C 11°C 14°C 19°C 23°C 25°C 25°C 24°C 19°C 17°C 14°C
4°C
-0°C 		5°C
1°C 		12°C
7°C 		18°C
13°C 		22°C
18°C 		26°C
21°C 		29°C
24°C 		30°C
24°C 		23°C
18°C 		17°C
12°C 		11°C
7°C 		6°C
2°C
35% 48% 34% 44% 59% 53% 42% 33% 37% 28% 30% 31%
3°C
-2°C 		4°C
-2°C 		11°C
3°C 		17°C
8°C 		21°C
13°C 		24°C
16°C 		27°C
18°C 		27°C
18°C 		21°C
13°C 		15°C
7°C 		10°C
4°C 		4°C
-1°C
35% 45% 33% 45% 65% 64% 56% 41% 44% 29% 32% 34%
3°C
-0°C 		4°C
-0°C 		9°C
5°C 		15°C
10°C 		19°C
15°C 		23°C
19°C 		26°C
21°C 		26°C
21°C 		20°C
16°C 		14°C
10°C 		10°C
6°C 		5°C
1°C
41% 49% 42% 50% 63% 62% 57% 40% 44% 39% 47% 39%
3°C
-0°C 		4°C
-0°C 		9°C
5°C 		15°C
10°C 		19°C
15°C 		23°C
19°C 		26°C
21°C 		26°C
21°C 		20°C
16°C 		14°C
10°C 		10°C
6°C 		5°C
1°C
41% 49% 42% 50% 63% 62% 57% 40% 44% 39% 47% 39%
3°C
-2°C 		4°C
-1°C 		10°C
4°C 		16°C
11°C 		21°C
16°C 		25°C
20°C 		28°C
22°C 		27°C
21°C 		21°C
16°C 		15°C
9°C 		10°C
5°C 		4°C
-0°C
35% 48% 39% 47% 61% 61% 57% 44% 42% 31% 39% 31%
3°C
-1°C 		4°C
-1°C 		10°C
4°C 		17°C
11°C 		21°C
16°C 		25°C
20°C 		28°C
22°C 		27°C
22°C 		21°C
15°C 		15°C
10°C 		10°C
5°C 		4°C
-0°C
34% 46% 40% 47% 64% 61% 58% 46% 43% 32% 41% 32%

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.mayjun.jul.aug.sep.oct.nov.dec.
Ljubljana4°C5°C11°C17°C22°C26°C28°C28°C22°C16°C11°C6°C
Bled2°C3°C7°C14°C18°C22°C25°C25°C19°C13°C8°C4°C
Bovec3°C4°C9°C15°C19°C23°C26°C26°C21°C15°C9°C5°C
Koper8°C9°C14°C19°C23°C27°C30°C31°C25°C19°C15°C10°C
Kranjska Gora2°C3°C7°C14°C18°C22°C25°C25°C19°C13°C8°C4°C
Maribor4°C5°C11°C18°C21°C25°C27°C27°C22°C16°C11°C5°C
Piran8°C9°C14°C19°C23°C27°C30°C31°C25°C19°C15°C10°C
Portorož8°C9°C14°C19°C23°C27°C30°C31°C25°C19°C15°C10°C
Brežice4°C5°C12°C18°C22°C26°C29°C30°C23°C17°C11°C6°C
Celje3°C4°C11°C17°C21°C24°C27°C27°C21°C15°C10°C4°C
Idrija3°C4°C9°C15°C19°C23°C26°C26°C20°C14°C10°C5°C
Ilirska Bistrica3°C4°C9°C15°C19°C23°C26°C26°C20°C14°C10°C5°C
Kamnik3°C4°C10°C16°C21°C25°C28°C27°C21°C15°C10°C4°C
Kranj3°C4°C10°C17°C21°C25°C28°C27°C21°C15°C10°C4°C
Kuzma3°C4°C11°C18°C21°C25°C28°C28°C22°C15°C10°C5°C
Lendava3°C4°C12°C18°C22°C26°C29°C29°C23°C16°C11°C5°C
Litija3°C4°C11°C17°C21°C26°C28°C28°C22°C15°C10°C5°C
Logatec3°C4°C9°C15°C19°C23°C26°C26°C20°C14°C10°C5°C
Murska Sobota3°C4°C11°C18°C21°C25°C28°C28°C22°C16°C10°C5°C
Nova Gorica6°C7°C13°C19°C22°C27°C30°C30°C24°C18°C12°C7°C

Legend:

good weather

tolerable weather

bad weather

very bad weather

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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, Bled, Bovec, Koper, Kranjska Gora, Maribor, Piran, Portorož, and 26 other cities.

So yes: this data is reliable except in cases of temporary climate disruption in the region.

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