Ljubljana, SloveniaQuick decision
When to visit Ljubljana?
🌞 Best time overall
July
🌡️ Optimal temperature
16°C–28°C in July
🌧 Least rain
35% rainy days in July
🌧 Wettest month
December (30%)
📅 Best score
8.7/10
By trip type
Best time by type of trip
Castle & Old TownApril–September — funicular, Triple Bridge and landscaped banks.
Green CityMay–September — Tivoli Park, kayaking on the Ljubljanica.
GastronomyYear-round — Open Kitchen (Fridays), contemporary Slovenian cuisine.
Bled Day TripMay–September — Lake Bled 45 min by bus.
Monthly climate data
Ljubljana weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | -4°C | 5°C | 29% | 2.8 | 6.1h | 4.0/10 |
| 🌫️ February | -2°C | 9°C | 31% | 3.0 | 7.2h | 4.4/10 |
| ⛅ March | 1°C | 12°C | 35% | 2.7 | 10.0h | 5.7/10 |
| ⛅ April | 5°C | 16°C | 31% | 2.8 | 11.7h | 7.1/10 |
| 🌦️ May | 9°C | 19°C | 50% | 4.5 | 12.0h | 7.1/10 |
| 🌤️ June | 14°C | 26°C | 38% | 2.7 | 14.0h | 8.4/10 |
| 🌤️ July | 16°C | 28°C | 35% | 3.1 | 14.0h | 8.7/10 |
| 🌤️ August | 16°C | 27°C | 31% | 2.9 | 12.7h | 8.5/10 |
| 🌤️ September | 12°C | 22°C | 39% | 5.0 | 11.3h | 7.5/10 |
| ⛅ October | 7°C | 17°C | 32% | 3.7 | 9.1h | 7.0/10 |
| 🌦️ November | 3°C | 10°C | 38% | 4.6 | 5.2h | 4.0/10 |
| 🌫️ December | -2°C | 5°C | 30% | 3.2 | 5.0h | 3.6/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Acceptable
Average 16°C, 39% rainy days, 11.2h sunshine/day. Score: 6.6/10.
☀️ Summer (Jun–Aug) — Excellent time
Average 27°C, 35% rainy days, 13.6h sunshine/day. Score: 8.5/10.
🍂 Autumn (Sep–Nov) — Acceptable
Average 16°C, 36% rainy days, 8.5h sunshine/day. Score: 6.2/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 6°C, 30% rainy days, 6.1h sunshine/day. Score: 4.0/10.
Accommodation
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Tip : April, May offer a good weather/price balance — decent score with fewer crowds.
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Activities and tours in Ljubljana
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
July is ideal with 35% rainy days and 28°C.
December is the wettest month with 30% rainy days.
Yes, July is the best month with an average of 28°C.
In winter, the average score is 4.0/10. Difficult period — prefer the peak season.
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