The measure applies to specific regions experiencing extreme temperatures, including Attica, Thessaloniki, Serres, Halkidiki, and Magnesia, among others.
The Athens municipality has activated an emergency plan with air-conditioned shelters, street patrols, and relief for homeless and strays.
According to IPTO, Greece’s high-voltage Transmission System Operator, electricity demand is expected to peak at approximately 9,700 MW during the early afternoon hours of July 8.
Fierce temperatures force Greece to shut down the Acropolis and order safety measures for outdoor labor.
A mandatory halt of all manual outdoor labor between 12:00 and 5:00 pm has been enforced in areas forecasted to experience extreme temperatures and high thermal discomfort levels.
With the mercury expected to soar above 40°C (104°F), the archaeological site will shut its gates from 1:00 p.m. to 5:00 p.m., following a decision by the Ephorate of Antiquities of Athens.
In Athens, extreme heat was recorded on Mount Lycabettus, where a thermal camera installed by the Municipality of Athens showed surface temperatures surpassing 50°C.
Areas particularly susceptible to high temperatures, such as the Thessalian Plain, parts of eastern Peloponnese, and the greater Athens area, will be most affected.
Foods like spinach, legumes, nuts, and natural coconut water help replenish essential minerals.
At least two people have died in France due to the extreme heat, and two more were killed in a wildfire in Spain this week.
Travelers should stay hydrated, avoid outdoor activities during peak afternoon hours, and monitor local forecasts if planning to visit islands where strong winds might impact ferry services or beach conditions
Open windows early in the morning or late at night—when it’s cooler outside—to air out your space.
Apart from the direct hazards of thunderstorms and high winds, experts warn that the extremely low surface humidity may significantly elevate the risk of fires being sparked during storm activity.
Meteorologists are warning of a "heat dome" forming over the region — a phenomenon caused by a persistent high-pressure system that traps warm air beneath it.
Greece faces ongoing climate shifts, with northern parts of the country recording higher temperature increases over the last 30 years.