Mild
Average highs are around 25°C, so days are mild rather than hot.
June verdict
Portorož, Slovenia in June
Weather score64Good
Good for holiday weather
Average highs are around 25°C, so days are mild rather than hot. Sunshine averages 8.2h per day, so bright days are a strong part of the month. Rainfall averages 91mm, so some wet days are possible.
June weather
Monthly averages
Temp
25°C
Rain
91mm
Sun
8.2h
Sea
23°C
Weather score
64
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 91mm, so some wet days are possible.
Bright
Sunshine averages 8.2h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 23°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Portorož, Slovenia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
June25°C average high
June sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
June91mm average rain
June sits near Portorož's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to August, October, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
June8.2 hours average sun
June is brighter than Portorož's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
June23°C average sea
June sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJune to September
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
Weather score
June64 weather score
June scores above Portorož's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
