Best Time to Visit Ljubljana: Weather Month by Month

Q: What is the best time to visit Ljubljana?

July is the best month with 28.0°C highs, 16.0°C lows, 9.3h of sunshine and 28.0% rainy days. The months of July & August offer comparable conditions.

Q: How many hours of sunshine does Ljubljana get in July?

Ljubljana averages 9.3 sunshine hours per day in July. It is the sunniest month with a climate score of 8.3/10.

Q: What is the rainiest month in Ljubljana?

December is the most unfavourable month with December has the lowest climate score of the year and the lowest climate score of the year.

Q: What are the temperatures at night in Ljubljana in July?

In July, overnight lows reach 16.0°C, while afternoon highs average 28.0°C.

Q: Is Ljubljana good in winter?

In winter (December-February), Ljubljana scores 2.0/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 8.3/10.

Q: When should you avoid Ljubljana?

December is the most difficult month to visit Ljubljana, with December has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.

Decide

When to visit Ljubljana?

The decision rests on several criteria. Climate score, tourist crowds and feasible activities.

Verdict: In Ljubljana, July and August clearly stand out. December concentrates the least favourable conditions.

Top & avoid

🏆 July · 8.7 August · 8.6 June · 8.4 September · 7.7 ⚠️ December · 0.8

1.0

Jan

4.1

Feb

4.3

Mar

4.5

Apr

7.3

May

8.4

Jun

8.7

Jul

8.6

Aug

7.7

Sep

4.4

Oct

1.2

Nov

0.8

Dec

Best period · ≥ 7 Decent period · 4 – 7 Tough conditions · < 4

What you grasp in 5 seconds

Ljubljana offers 5 comfortable months, with 3 months to avoid (January, November, December). The gap is sharp: 8.7 in July vs 0.8 in December.

What to check next

Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.

Next action

Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.

Compare the 12 months By your project

How we calculate the score

The score combines 4 weighted criteria using 10 years of real climate data (ERA5).

Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →

Understand

Compare all 12 months

Month-by-month details: temperature, rain, sunshine, score and verdict.

✅ 5 comfortable months (May · Jun · Jul · Aug · Sep)

Month	T° min	T° max	Rain %	mm/day	Sun	Score	Verdict
🌧️ January →	-4°C	5°C	24%	2.8mm	2.3h	1.0/10	Tough conditions
🌥️ February →	-2°C	9°C	26%	3.0mm	3.6h	4.1/10	Decent period
🌥️ March →	1°C	12°C	27%	2.7mm	5.0h	4.3/10	Decent period
🌥️ April →	5°C	16°C	25%	2.8mm	6.3h	4.5/10	Decent period
⛅ May →	9°C	19°C	38%	4.5mm	7.5h	7.3/10	Best period
☀️ June →	14°C	26°C	29%	2.7mm	8.4h	8.4/10	Best period
☀️ July →	16°C	28°C	28%	3.1mm	9.3h	8.7/10	Best period
☀️ August →	16°C	27°C	26%	2.9mm	8.5h	8.6/10	Best period
☀️ September →	12°C	22°C	33%	5.0mm	5.9h	7.7/10	Best period
🌥️ October →	7°C	17°C	28%	3.7mm	3.7h	4.4/10	Decent period
🌧️ November →	3°C	10°C	32%	4.6mm	1.9h	1.2/10	Tough conditions
🌧️ December →	-2°C	5°C	26%	3.2mm	1.8h	0.8/10	Tough conditions

🌧️ January

1.0/10

T°-4°C / 5°C

Rain %24%

T°-2°C / 9°C

Rain %26%

Sun3.6h

Decent period

🌥️ March

4.3/10

T°1°C / 12°C

Rain %27%

Sun5.0h

Decent period

🌥️ April

4.5/10

T°5°C / 16°C

Rain %25%

Sun6.3h

Decent period

⛅ May

7.3/10

T°9°C / 19°C

Rain %38%

Best period

Rain %29%

Best period

Rain %28%

Best period

Rain %26%

Best period

Rain %33%

Best period

T°7°C / 17°C

Rain %28%

Sun3.7h

Decent period

🌧️ November

1.2/10

T°3°C / 10°C

Rain %32%

T°-2°C / 5°C

Rain %26%

Sun1.8h

Tough conditions

📊 Quick read

Optimal window

May → Sep

Good transition

Apr · Oct

Tough period

Jan · Nov · Dec

🌡️ Detailed conditions (July)

🌡️ Feel

Warm

☀️ UV

6.8 · Moderate-Strong

💧 Humidity feel

16°C · Pleasant

☔ Rain

28% · 3.1 mm/day

🌅 Sunshine

9.3h/day

Week by week

Ljubljana week by week: your odds of avoiding rain

For each week of the year: in how many years out of 10 it was mostly dry (at most 2 rainy days), 2016 to 2025.

Safest week: Apr 16 to Apr 22, mostly dry in 9 years out of 10 (1.1 rainy day(s) on average).

Most exposed: May 7 to May 13, mostly dry in 4 years out of 10 (3.0 rainy days on average).

Number = years out of 10 with at most 2 rainy days in the week. Source: ERA5 reanalysis (ECMWF) via Open-Meteo, daily data 2016-2025. Rainy day = at least 1 mm, as everywhere on the site.
Jan	Jan 15/106°C	Jan 88/105°C	Jan 158/104°C	Jan 227/106°C	Jan 297/108°C
Feb	Feb 57/107°C	Feb 128/108°C	Feb 198/1010°C	Feb 265/109°C
Mar	Mar 56/1011°C	Mar 128/1012°C	Mar 198/1013°C	Mar 266/1015°C
Apr	Apr 29/1015°C	Apr 95/1016°C	Apr 169/1016°C	Apr 234/1016°C	Apr 304/1018°C
May	May 74/1018°C	May 144/1019°C	May 218/1021°C	May 286/1022°C
Jun	Jun 44/1024°C	Jun 118/1025°C	Jun 189/1028°C	Jun 255/1028°C
Jul	Jul 25/1027°C	Jul 98/1027°C	Jul 167/1028°C	Jul 235/1028°C	Jul 306/1028°C
Aug	Aug 69/1028°C	Aug 139/1028°C	Aug 209/1027°C	Aug 276/1025°C
Sep	Sep 37/1024°C	Sep 106/1023°C	Sep 174/1020°C	Sep 244/1019°C
Oct	Oct 15/1017°C	Oct 87/1017°C	Oct 157/1016°C	Oct 226/1017°C	Oct 295/1015°C
Nov	Nov 56/1012°C	Nov 127/1010°C	Nov 195/108°C	Nov 266/106°C
Dec	Dec 35/105°C	Dec 107/105°C	Dec 178/106°C	Dec 248/107°C

A specific date? The app computes the same figure day by day.

10-year trend

Annual temperatures — Ljubljana

Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.

Tailor

For your trip

A few angles depending on what kind of trip you are planning.

🏖️ Beaches: Jun-Sept🌊 Swell: Sept-Mar🚤 Water activities

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🏨

Stay

Hotels & rentals · Ljubljana

Expedia →

🎟️

Activities

Tours, tickets, experiences

See ↓

✈️

Flights

Multi-airline comparator

Kiwi →

🎟️ Activities & tours · Ljubljana

GetYourGuide selection · free cancellation

See all →

Affiliate link · GetYourGuide

Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.

Country · Slovenia

🗣️LanguageSlovène

💶CurrencyEuro (€)

🚗DrivingRight-hand

🛡️Safety ⓘVery safe · 1/5

💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTemperate oceanic

📈Climate trend ⓘStable

🔥Hottest monthJuly · 28°C

❄️Coolest monthJanuary · 5°C

🌧️Rainiest month ⓘMay · 38%

🏖️ Beach holiday

📅Peak seasonJuin → Sept

🏖️Swell (Sept–Mar) ⓘModérée

🛂VisaSchengen · 90 days

Explore

Related destinations & guides

If this destination doesn't fit your dates, here are alternatives and guides.

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Zagreb · Croatia→

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Prague · Czech Republic→

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Piran · Slovenia94 km →

Plitvice · Croatia157 km →

Guides & rankings

World ranking 2026See →

Best summer destinationsSee →

Winter sunSee →

Where to go in JulySee →

🗺️ Climate map of 754 destinations

Location

Where is Ljubljana ?

Global position + regional geographic context.

🌍 World

🔍 Geographic context

Temperate oceanic climate with a 8.7 → 0.8 gap between best and worst month. 10 years of ERA5 data to choose by project.

46.06°N · 14.51°E

Questions

Frequently asked questions

What is the best time to visit Ljubljana?

July is the best month with 28.0°C highs, 16.0°C lows, 9.3h of sunshine and 28.0% rainy days. The months of July & August offer comparable conditions.

How many hours of sunshine does Ljubljana get in July?

Ljubljana averages 9.3 sunshine hours per day in July. It is the sunniest month with a climate score of 8.3/10.

What is the rainiest month in Ljubljana?

December is the most unfavourable month with December has the lowest climate score of the year and the lowest climate score of the year.

What are the temperatures at night in Ljubljana in July?

In July, overnight lows reach 16.0°C, while afternoon highs average 28.0°C.

Is Ljubljana good in winter?

In winter (December-February), Ljubljana scores 2.0/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 8.3/10.

When should you avoid Ljubljana?

December is the most difficult month to visit Ljubljana, with December has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.