Parts of the continent are expected to reach up to 40 degrees.
While the weather in Ireland continues to power through up to the mid-20s, the situation is Europe is much worse, where much of the continent is in the grips of a powerful heatwave.
The Irish Travel Agents Association (ITAA) has issued advice to Irish holidaymakers travelling to Northern Europe this week as temperatures of up to 40 degrees are forecast.
The high temperatures are thought to last just a few days and are expected to affect Northern France as well as parts of Belgium, Luxembourg, and the Netherlands.
Pat Dawson, CEO of the ITAA, said, "Our members are advising holidaymakers staying in affected areas to stay hydrated throughout their stay and to avoid direct sunlight during the hottest periods of the day.
"We are encouraging all travellers to follow the advice of the local authorities which are implementing measures to tackle the extreme heat."
Many European destinations have introduced air-conditioned rooms, water mists, temporary fountains, and other measures to tackle the hot temperatures.
