Sea Temperature in Portoroz in August

© Jochen Vetter

Complete information on the sea temperature range in the Adriatic Sea in Portoroz in August. Historical daily data. Climate details for August. Tips on swimming conditions and beach relaxation in Portoroz. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Portoroz Climate and Swimming Opportunities in August

Portoroz lies within the Municipality of Piran in Slovenia. The average daytime temperature in Portoroz in August is 27°C (81°F), while the nighttime average is 20°C (68°F). There are typically eight rainy days during the month, with a total precipitation of 88 mm (3.5 inches). The daylight duration in August in Portoroz is 14 hours, with an average of 9 hours of sunshine per day. The average wind speed in August is 8 km/h (5 mph), and the humidity level is around 68%.

The water temperature in Portoroz in August ranges from 25°C to 27°C (77°F to 81°F). At the beginning of the month, the average temperature is around 27°C (81°F), shifting to 27°C (81°F) by mid-August and reaching 26°C (79°F) in the last ten days. Overall, the average sea temperature in Portoroz for August is 26°C (79°F). The water is almost like a bath, perfect for those who prefer very warm conditions. However, it may not be as refreshing on extremely hot days.

Frequently Asked Questions About Water Temperatures in August in Portoroz