South-East Queensland is facing a hot summer with above-average temperatures this week.

Brisbane’s average temperature at this time of year is usually around 25 degrees Celsius, but the mercury is set to hit 36 degrees this Friday.

BOM forecaster Michael Knepp said that the temperature change has been caused by a high-pressure system over southern Queensland.

The Queensland Ambulance service has reminded people to take care when going outdoors and to stay sun-safe.