Weather in Ljubljana in June

June in Ljubljana is mild enough that walking is the default. This is a city-break month more than a sea-holiday month.

In Slovenia, this is how Ljubljana actually wears June, not how a country centroid would. Compared with August and January, June sits in the middle of Ljubljana's year.

Ljubljana
Average temp
20°C

14–26°C

Rainfall
126 mm

Showers likely

Sunshine
8.6 h

hours per day

What to expect

Daytime

Mild afternoons in Ljubljana are the prize in June. You can eat outside on the good days. You still want something for the breeze.

This is walking weather. Shade is useful, not essential the way it is in the hot months. A long outdoor day is a reasonable plan.

Rain

Mixed skies in Ljubljana in June. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.

Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.

Evening

Evenings are cooler. A layer helps after sunset.

What to pack

  • Sun protection

  • Rain jacket

  • A layer for cooler evenings

Where to stay in Ljubljana

Dates are a starting point for June.

All hotels in Ljubljana

Travel guides for Ljubljana

What to read before you book.

All travel guides in Ljubljana

Average weather in Ljubljana

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 28 Aug 2026265 places covered

Similar weather in June

Other destinations whose June averages sit close to this one.

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FAQs about Ljubljana

Climate averages for Ljubljana, 1991–2020.

The best time to visit Ljubljana is between April and September, the most comfortable stretch of the year on these averages.

July is the hottest month, with an average around 22°C.

September is the wettest month, with about 159 mm of rain.

No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.