Winter (December to February)
Sharp cold with highs around 6° and lows near -2°, regular rain (9 rainy days per month on average). Not an ideal time for a leisure trip.
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Climate · 10-year averages
When to visit Ljubljana?
Best time to visit Ljubljana: from June to October. Month-by-month temperatures, rainfall and sunshine, based on ten years of weather data.
Best time to go
From June to October
Hottest month
July · 27°
Coldest month
January · -3°
Wettest month
September · 143 mm
Climate month by month
Bars: monthly rainfall. Lines: average highs and lows. Month color: our travel comfort index.
- JanuaryÀ éviter
5° / -3°
- Rain
- 84 mm · 9 d
- Sunshine
- 4.9 h/day
- Humidity
- 84%
- FebruaryÀ éviter
8° / -2°
- Rain
- 100 mm · 10 d
- Sunshine
- 5.8 h/day
- Humidity
- 81%
- MarchMitigé
12° / 1°
- Rain
- 64 mm · 9 d
- Sunshine
- 8.4 h/day
- Humidity
- 73%
- AprilCorrect
16° / 4°
- Rain
- 84 mm · 10 d
- Sunshine
- 9.9 h/day
- Humidity
- 72%
- MayCorrect
19° / 9°
- Rain
- 134 mm · 16 d
- Sunshine
- 10.2 h/day
- Humidity
- 77%
- JuneTrès bien
25° / 14°
- Rain
- 90 mm · 12 d
- Sunshine
- 12.3 h/day
- Humidity
- 73%
- JulyTrès bien
27° / 16°
- Rain
- 101 mm · 12 d
- Sunshine
- 12.4 h/day
- Humidity
- 72%
- AugustIdéal
26° / 16°
- Rain
- 100 mm · 10 d
- Sunshine
- 11.4 h/day
- Humidity
- 74%
- SeptemberTrès bien
21° / 11°
- Rain
- 143 mm · 12 d
- Sunshine
- 9.2 h/day
- Humidity
- 80%
- OctoberTrès bien
17° / 7°
- Rain
- 110 mm · 10 d
- Sunshine
- 7.2 h/day
- Humidity
- 84%
- NovemberÀ éviter
10° / 3°
- Rain
- 140 mm · 11 d
- Sunshine
- 4.5 h/day
- Humidity
- 87%
- DecemberÀ éviter
6° / -1°
- Rain
- 98 mm · 9 d
- Sunshine
- 4.3 h/day
- Humidity
- 87%
2014–2023 averages from the ERA5 reanalysis (Copernicus) via Open-Meteo. A day counts as a “rainy day” from 1 mm of rain.
Our take, season by season
Spring (March to May)
Cool weather with highs around 16° and lows near 5°, regular rain (12 rainy days per month on average). A decent time to go, as long as you're willing to make a few compromises.
Summer (June to August)
Pleasant warmth with highs around 26° and lows near 15°, regular rain (12 rainy days per month on average). It's a great time to go.
Fall (September to November)
Mild weather with highs around 16° and lows near 7°, regular rain (11 rainy days per month on average). A decent time to go, as long as you're willing to make a few compromises.
Frequently asked questions
- When is the best time to visit Ljubljana?
- The best time to visit Ljubljana is from June to October, with highs between 17° and 27° and few rainy days.
- What is the hottest month in Ljubljana?
- July is the hottest month, with an average high of 27 °C.
- What is the coldest month in Ljubljana?
- January is the coldest month, with an average low of -3 °C.
- When does it rain the most in Ljubljana?
- September is the wettest month (143 mm, about 12 rainy days). The driest is March (64 mm).
- When should you avoid Ljubljana?
- The least favorable months are from November to February: too hot, too cold, or too rainy to make the most of your trip.
More practical info: Slovenia
- Country guideEverything about a country on one page: time, weather, currency, plugs, emergency numbers, tipping, visas.
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