June weather forecast
Slovenia

June marks the onset of the summer season in Slovenia, with the average temperatures across the country increasing considerably. On a national scale, temperatures typically range from 15°C (59°F) to 25°C (77°F). In Ljubljana, temperatures hover between 16°C (60.8°F) and 27°C (80.6°F). Coastal areas like Koper experience warmer temperatures, generally fluctuating from 18°C (64.4°F) to 28°C (82.4°F) due to the influence of the Adriatic Sea. In the mountainous regions such as Kranjska Gora, temperatures are still relatively cool, often staying below 20°C (68°F).

In terms of precipitation, June is usually one of the wettest months of the year in Slovenia. The country often receives around 90mm (3.54") to 100mm (3.94") of rainfall. These showers, often taking the form of afternoon thundershowers, provide relief from the heat and maintain the country's lush green landscapes.

Daylight hours reach their peak in June, with sunrise occurring around 5:00 am and sunset stretching to about 9:00 pm. This allows for extended days perfect for outdoor activities such as hiking, sightseeing, and exploring Slovenia's beautiful coastline and beaches. When compared to May, June sees an increase in both temperatures and precipitation, marking the true beginning of the summer season. Despite the rainfall, June remains a popular time to visit Slovenia due to the warm weather and long, sun-filled days.

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• Ljubljana - June »
  The month with the longest days in Ljubljana is June, with an average of 15h and 42min of daylight. In Ljubljana in June, during 15 rainfall days, 144mm (5.67") of precipitation is typically accumulated.
• Maribor - June »
  The month with the longest days in Maribor is June, with an average of 15h and 48min of daylight. On the first day of June in Maribor sunrise is at 05:07 and sunset at 20:43.
• Celje - June »
  June has the longest days of the year in Celje with an average of 15h and 42min of daylight. On the first day of June in Celje sunrise is at 05:10 and sunset at 20:43.
• Koper - June »
  In June, the average sea temperature in Koper is 22.8°C (73°F). In June, on the first day of the month, sunrise is at 05:19 and sunset at 20:46.
• Ptuj - June »
  The month with the longest days in Ptuj is June, with an average of 15h and 42min of daylight. In Ptuj, during June, the rain falls for 16 days and regularly aggregates up to 117mm (4.61") of precipitation.
• Trbovlje - June »
  In Trbovlje in June, it is raining for 21.1 days, with typically 105mm (4.13") of accumulated precipitation. The month with the longest days in Trbovlje is June, with an average of 15h and 42min of daylight.
• Kamnik - June »
  The month with the longest days in Kamnik is June, with an average of 15h and 42min of daylight. In Kamnik, Slovenia, in June, it is raining for 19 days, with typically 104mm (4.09") of accumulated precipitation.