Weather in Slovenia in June

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

A country pin in June is a warning: one region of Slovenia will not match another. Use a city page if you already know where you are going. Compared with July and January, June sits in the middle of Slovenia's year.

Slovenia
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 Slovenia 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 Slovenia 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

Travel guides for Slovenia

What to read before you book.

All travel guides in Slovenia

Average weather in Slovenia

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 Slovenia

Climate averages for Slovenia, 1991–2020.

The best time to visit Slovenia 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.