According to Lifeguin’s travel calendar, the best time to visit Slovenia is May to June and September to October. Plan 5–7 days.

Best months for Slovenia

  1. January
  2. February
  3. March
  4. April
  5. MayBest
  6. JuneBest
  7. July
  8. August
  9. SeptemberBest
  10. OctoberBest
  11. November
  12. December
Best months
May to June and September to October
How long to stay
5–7 days
Continent
Europe

What Slovenia is best for

  • Hiking
  • Nature & wildlife
  • Culture & history
  • Road trip

Scenic drives linking Julian Alps lakes, Vršič Pass trails, karst caves, cliffside castles, and Ljubljana.

Prices
€€ · about the same as in Slovakia

Weather in Slovenia by month

Monthly averages around Ljubljana; the mountains and other regions can differ a lot.

MonthAverage temperatureRain
Januaryabout −1 °Csome rain (57 mm)
Februaryabout 0 °Csome rain (78 mm)
Marchabout 4 °Csome rain (69 mm)
Aprilabout 9 °Csome rain (72 mm)
May bestabout 14 °Csome rain (93 mm)
June bestabout 18 °Csome rain (87 mm)
Julyabout 20 °Csome rain (81 mm)
Augustabout 20 °Csome rain (90 mm)
September bestabout 14 °Ca lot of rain (117 mm)
October bestabout 10 °Ca lot of rain (102 mm)
Novemberabout 5 °Ca lot of rain (108 mm)
Decemberabout 0 °Csome rain (81 mm)

Sources: what a place is best for — our own travel guides and, for places we have not written about yet, research done with the help of AI (Google Gemini); weather — NASA POWER climate averages; prices — World Bank price levels (CC BY 4.0).

Good to know about Slovenia

Capital
Ljubljana
Language
Slovenian
Currency
Euro (EUR)
Time
UTC+1, UTC+2 in summer
Plugs
Type C, F · 230 V
Driving
On the right
Calling code
+386

Sources: Wikidata, Unicode CLDR and the IANA time zone database.

Our posts about Slovenia

All 29 posts about Slovenia →

Miško’s huddle has hidden 25 painted penguin stones in Slovenia so far. See them on Penguinstones →