When is the best time to visit Ljubljana?

The weather in Ljubljana, month by month

Daytime and night-time temperatures, then rainfall. Records 2015-2024 (Ljubljana Castle). The exact figures are in the table below.
The table of records, month by month
Real 2015-2024 records at the reference point "Ljubljana Castle" (ERA5 reanalysis via Open-Meteo). Published as open data.
MonthHighLowRainfallRainy daysBest
January5°-3°81 mm9 d
February8°-1°87 mm9 d
March12°1°72 mm10 d
April16°4°82 mm9 d
May19°9°143 mm16 d✓
June25°14°89 mm12 d✓
July28°16°91 mm11 d
August27°16°92 mm9 d
September21°11°145 mm12 d✓
October17°7°120 mm10 d✓
November10°3°131 mm10 d
December6°-1°96 mm9 d

The four seasons in Ljubljana, in figures

What the 2015-2024 records (Ljubljana Castle) show, season by season, to compare at a glance instead of reading twelve rows of a table.

Winter

Dec → Feb
5 to 8°
nights -3 to -1°
  • 9 rainy days · 88 mm
Not recommended

Spring

Mar → May
12 to 19°
nights 1 to 9°
  • 12 rainy days · 99 mm
1 month recommended

Summer

Jun → Aug
25 to 28°
nights 14 to 16°
  • 11 rainy days · 91 mm
1 month recommended

Autumn

Sep → Nov
10 to 21°
nights 3 to 11°
  • 11 rainy days · 132 mm
2 months recommended

Book early for May to June and September to October

The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.

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Daylight in Ljubljana, month by month

The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 15h44 of daylight, in December 8h39, a difference of 7h05.

9h01Jan
10h17Feb
11h46Mar
13h29Apr
14h56May
15h44Jun
15h24Jul
14h08Aug
12h28Sep
10h49Oct
9h22Nov
8h39Dec

Calculated for the latitude of the reference point "Ljubljana Castle" (46.05°). Values on the 15th of each month, local solar time.

What to do in Ljubljana, month by month

ActivityJanFebMarAprMayJunJulAugSepOctNovDec
Sightseeing & walks
Long days
Events111111

EventsLjubljana FestivalJuly to AugustChristmas lights and marketNovember to JanuaryLjubljana MarathonOctoberDetails ↓

favourablewith compromisesunfavourable

Grid derived from the records (temperature, rainfall), not from an opinion.

What's on in Ljubljana, month by month?

What comes back every year, and when. Exact dates change from year to year, so check them before you book.

Travelling off-peak

Month by month, in detail

January

Not recommended
5°-3° at night
  • 81 mm · 9 d

Low season, lower prices

February

Not recommended
8°-1° at night
  • 87 mm · 9 d

Low season, lower prices

March

Not recommended
12°1° at night
  • 72 mm · 10 d

Low season, lower prices

April

Fair
16°4° at night
  • 82 mm · 9 d

Low season, lower prices

May

Recommended
19°9° at night
  • 143 mm · 16 d

Busy, without the crush

June

Recommended
25°14° at night
  • 89 mm · 12 d

Busy, without the crush

July

Fair
28°16° at night
  • 91 mm · 11 d

Busy, without the crush

August

Fair
27°16° at night
  • 92 mm · 9 d

Busy, without the crush

September

Recommended
21°11° at night
  • 145 mm · 12 d

Busy, without the crush

October

Recommended
17°7° at night
  • 120 mm · 10 d

Busy, without the crush

November

Fair
10°3° at night
  • 131 mm · 10 d

Low season, lower prices

December

Not recommended
6°-1° at night
  • 96 mm · 9 d

Quiet, then the holidays

Read the twelve months in detail

January. Deep winter: 5 °C at the warmest of the day, -3 °C at night. Expect 9 days of rain in the month (81 mm). Low season: fewer people, lower prices.

February. Cool: 8 °C at best, -1 °C at night. Expect 9 days of rain in the month (87 mm). Low season: fewer people, lower prices.

March. Cool: 12 °C at best, 1 °C at night. Expect 10 days of rain in the month (72 mm). Low season: fewer people, lower prices.

April. Cool: 16 °C at best, 4 °C at night. Expect 9 days of rain in the month (82 mm). Low season: fewer people, lower prices.

May. Mild, 19 °C in the afternoon and 9 °C early in the morning. Frequent rain: 143 mm over 16 days. Busy season, without the crush.

June. 25 °C in the afternoon and 14 °C at night. Expect 12 days of rain in the month (89 mm). Busy season, without the crush.

July. 28 °C in the afternoon and 16 °C at night. Expect 11 days of rain in the month (91 mm). Busy season, without the crush.

August. 27 °C in the afternoon and 16 °C at night. Expect 9 days of rain in the month (92 mm). Busy season, without the crush.

September. Mild, 21 °C in the afternoon and 11 °C early in the morning. Expect 12 days of rain in the month (145 mm). Busy season, without the crush.

October. Cool: 17 °C at best, 7 °C at night. Expect 10 days of rain in the month (120 mm). Busy season, without the crush.

November. Cool: 10 °C at best, 3 °C at night. Expect 10 days of rain in the month (131 mm). Low season: fewer people, lower prices.

December. Deep winter: 6 °C at the warmest of the day, -1 °C at night. Expect 9 days of rain in the month (96 mm). Quiet at the start of the month, then busier as the holidays approach.

Same season, other ideas

Their best time overlaps with this one: worth comparing before you book.

Frequently asked questions

When is the best time to visit Ljubljana?

May to June and September to October: over these months, recorded highs range from 17 to 25 °C, with 13 days of rain a month on average (2015-2024 records, Ljubljana Castle).

Which month should you avoid in Ljubljana?

December: it is the wettest of the months to avoid, with 96 mm over 9 days of rain on average, according to 2015-2024 records at the reference point (Ljubljana Castle).

What is the hottest month in Ljubljana?

July, with 28 °C on average in the afternoon and 16 °C at night. 2015-2024 records (Ljubljana Castle).

What is the coldest month in Ljubljana?

January, with 5 °C at best during the day and -3 °C at night. 2015-2024 records (Ljubljana Castle).

What is the driest month in Ljubljana?

March: 72 mm over 10 days of rain, against 145 mm in September, the wettest month.

Does it get cold at night in Ljubljana?

The gap between day and night reaches 12 °C in April: 16 °C in the afternoon, 4 °C at dawn. Pack an extra layer, even in high season.

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Photos: Georgiad / CC BY-SA 3.0 (Wikimedia Commons) · Barkalı / Pexels · Ramon Karolan / Pexels · Tim Kosi / Pexels · Lajos Kristóf Kántor / Pexels