Portorož Weather in June
June is one of the perfect months to visit Portorož, with daytime temperatures of 25°C (77°F) and lows of 20°C (68°F) at night. Do note that quite a bit of rainfall is typical, averaging around 78 mm (3.1 in).
Rainfall in Portorož in June
Based on our climate data of the past 30 years, about 14 days of rain are anticipated, with 78 mm (3.1 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Portorož in June
June is a good time to be in Portorož. Days are perfect, reaching 25°C (77°F), with nights around 20°C (68°F). June is part of summer. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 20°C (68°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Portorož in June
The city usually sees around 276 hours of sunlight, indicating many sunny days — a great month for sightseeing.If you're inclined towards comfortable temperatures and drier conditions, June is a good time to visit Portorož.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Portorož's climate page.
Portorož Temperature in June
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Portorož typically rise from around 25°C (77°F) at the start of June to approximately 28°C (82°F) by the end. Nights are pleasant, with lows typically ranging from 14°C (57°F) to 17°C (63°F).
Average temperatures in June
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Historical weather for Portorož in June
Browse day-by-day weather records for Portorož spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Portorož historical weather extremes in June
According to our 49 years of weather records for Portorož, the following extremes were recorded between 1976 and 2025.
- Portorož recorded its highest June temperature of 35°C (95°F) on June 26, 2019.
- On June 18, 1981, Portorož saw its coldest June day with temperatures maxing out at 15°C (59°F).
- The lowest overnight temperature recorded in June was 8°C (46°F) (June 1, 2006).
Best Places in Slovenia in June
Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in June →
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What to Wear in Portorož in June
Pleasant temperatures in June mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Portorož in June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Portorož's climate page.
Temperature Rainfall Sunshine Humidity
See the full Portorož climate overview or explore weather in Slovenia.