Best time to visit Ljubljana
The best months to visit Ljubljana are September, June and May, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
September, June and May score best for Ljubljana weather:
- May22° / 11°CMay is warm but wet, with Open Kitchen Fridays and river terraces strongest between showers.
- June26° / 14°CJune is warm and thunderstorm-prone, so start Bled or Postojna day trips early and keep evenings flexible.
- September22° / 12°CSeptember is the wettest month but comfortable, with wine-season trips and museum backups working well.
Get a Ljubljana plan you can trust — matched to the month you pick, with every place checked for hours, closures, and booking needs.
- Free. No account.
- Ready in about 30 seconds.
30% off a Going membership after you build your plan.
By TripSapien Research · Updated May 20, 2026
Ljubljana weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight |
|---|---|---|---|---|---|
| January | 4° | -2° | 65 | 7 | 9h |
| February | 7° | -1° | 85 | 7 | 10h |
| March | 12° | 2° | 85 | 8 | 12h |
| April | 17° | 6° | 100 | 10 | 13h |
| MayBest weather | 22° | 11° | 115 | 11 | 15h |
| JuneBest weather | 26° | 14° | 125 | 10 | 16h |
| July | 28° | 16° | 120 | 9 | 15h |
| August | 28° | 16° | 130 | 9 | 14h |
| SeptemberBest weather | 22° | 12° | 155 | 9 | 12h |
| October | 16° | 8° | 150 | 9 | 11h |
| November | 10° | 4° | 140 | 10 | 9h |
| December | 4° | -1° | 100 | 8 | 9h |
Temperatures in °C. Long-term monthly averages.
Know your Ljubljana month?
Pick your dates and we'll build the trip around them — every place checked for closures and booking needs.
Ljubljana month by month
January
Ljubljana in January: 4.1°C high, -1.7°C low, 65mm rain over 7 days, 8.8h daylight. Cold and clearer — short daylight but skies open.
February
Ljubljana in February: 7°C high, -1.2°C low, 85mm rain over 7 days, 10.1h daylight. Cold and clearer — short daylight but skies open.
March
Ljubljana in March: 12.3°C high, 2.3°C low, 85mm rain over 8 days, 11.6h daylight. Mild and dry — shoulder-season sweet spot.
April
Ljubljana in April: 17°C high, 6.3°C low, 100mm rain over 10 days, 13.3h daylight. Mild but rainy — flexible plans pay off.
MayBest weather
Ljubljana in May: 21.8°C high, 10.6°C low, 115mm rain over 11 days, 14.8h daylight. Mild but rainy — flexible plans pay off.
JuneBest weather
Ljubljana in June: 25.8°C high, 14.4°C low, 125mm rain over 10 days, 15.5h daylight. Mild but rainy — flexible plans pay off.
July
Ljubljana in July: 27.9°C high, 16°C low, 120mm rain over 9 days, 15.2h daylight. Mild but rainy — flexible plans pay off.
August
Ljubljana in August: 27.6°C high, 15.8°C low, 130mm rain over 9 days, 14h daylight. Mild but rainy — flexible plans pay off.
SeptemberBest weather
Ljubljana in September: 21.8°C high, 11.7°C low, 155mm rain over 9 days, 12.3h daylight. Mild but rainy — flexible plans pay off.
October
Ljubljana in October: 16°C high, 7.9°C low, 150mm rain over 9 days, 10.7h daylight. Mild but rainy — flexible plans pay off.
November
Ljubljana in November: 9.6°C high, 3.9°C low, 140mm rain over 10 days, 9.2h daylight. Mild but rainy — flexible plans pay off.
December
Ljubljana in December: 4.1°C high, -1°C low, 100mm rain over 8 days, 8.5h daylight. Cold and wet — bundle up, museum and pool weather.
Ready to plan Ljubljana?
Pick one of the best months and turn it into a full Ljubljana plan — every place checked for closures, limited hours, and booking needs on your dates.