Portoroz weather in August 2023

  • 27°C maximum daytime temperature in August in Portoroz27
    27°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in August in Portoroz11
    11 days with some rainfall
  • 17°C minimum night-time temperature in August in Portoroz17
    17°C min night temperature
  • 14 hours of daylight per day in August in Portoroz14
    14 hours of daylight per day
  • Low heat & humidity in August in PortorozL
    Low heat & humidity
  • 109 mm monthly rainfall in August in Portoroz109
    109 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Portoroz7
    7 (High) UV index
  • 25°C sea temperature in August in Portoroz25
    25°C sea temperature
  • Save up to £300 per person on TUI Lakes & Mountains
  • Book summer holidays to Italy, Switzerland, Austria & more
  • Travel before 30th September 2022 (inclusive)

TUI Lakes & MountainsTUI Lakes & Mountains deals

Recommended for Slovenia

The August weather guide for Slovenia (Portoroz) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

  • Top deals & discounts
  • Portoroz weather overview
  • Portoroz climate averages by month
  • More destinations
  • Best time to go to Portoroz
  • Portoroz 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Slovenia

How hot is it in Portoroz in August?

Daytime temperatures usually reach 27°C in Portoroz in August with low heat and humidity, falling to 17°C at night.

How sunny is it in Portoroz in August?

There are normally 8 hours of bright sunshine each day in Portoroz in August - that's 60% of daylight hours.

How warm is the sea around Portoroz in August?

The average sea temperature around Portoroz in August is 25°C.

Does it rain in Portoroz in August?

There are usually 11 days with some rain in Portoroz in August and the average monthly rainfall is 109mm.

Portoroz August sunrise & sunset times

Browse the sunrise and sunset times for Portoroz in August 2023. Select a month to view Portoroz sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Tuesday, 1st August 2023 05:49 20:34
Wednesday, 16th August 2023 06:07 20:12
Thursday, 31st August 2023 06:25 19:46

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.