Friday, July 11, 2025
Greece has been having a temporary respite from the scorching heat, with the mercury in Attica falling to 33°C today. But the respite appears temporary, as the weather experts have forecast a new heatwave, which could commence from Sunday, July 13, and could elevate the temperature in areas as high as 40°C. Travelers, who intend to holiday in Greece in the next couple of weeks, are thus advised to take note of the new heat and brace themselves for the rugged weather.
Heatwave to Intensify From July 13 Onwards
According to the National Meteorological Service (EMY), the heatwave will be sustained through African warm air masses. Temperatures are likely to reach as high as 39°C, possibly 40°C, in various areas, including the tourist attraction of Athens (Attica), Thessaloniki, and certain areas of Crete, by the middle of the week. For their own part, meteorologists, like Sakis Arnaoutoglou, have confirmed the European ECMWF and the American GFS models, which are forecasting a long heat spell, with average daily highs remaining as high as 35°C, 36°C, until the 19th of July.
It is advisable that visitors exercise proper precautions to avert heat-related illnesses, particularly during peak heat times, 11:00 AM through 5:00 PM.
Weather Conditions Across Greece: A Guide
According to the National Meteorological Service, today’s weather, 11th of July, sees temporary respite as the skies are clear over most of Greece, despite a couple of areas seeing thin cloud cover during the short afternoon. Conditions by major areas are as follows:
Attica (including Athens): Generally clear with short afternoon cloudiness. Temperatures between 22°C and 33°C, with 4-5 Beaufort north-northeast winds.
Thessaloniki: Partly cloudy, with potential showers in nearby mountains. Temperatures range from 21°C to 32°C, with northwest winds of 3-5 Beaufort.
Cyclades & Crete: Experience fine weather with north-northwest winds blowing 4-6 Beaufort, and temperatures 24-30°C, local highs up to 32°C south Crete.
Ionian Islands, Peloponnese: Dry and sunny conditions with northwest breezes 3-6 Beaufort, and the temperatures varied 20-34°C
Despite such temporary relief in the heat weather, the blistering heat shall soon catch up, and the visitors need to gear themselves up for the dry weather conditions over the next two days.
Weekend Weather Outlook:
Temperatures Increase and Heatwave Begins By Saturday, 12th of July, the weather should be generally fine all across Greece, except for localized showers/thunderstorms after noon in mountain areas. The windwill keep blowing from the north at 3-6 Beaufort, and the heatwill reach 35°C in the west mainland areas. By Sunday, 13th of July, the heatwill have risen much higher, as the southerlies becomevariable at 2-4 Beaufort.
Things are going to get bad on Monday and Tuesday, with daily increases in temperatures, which are going to make the conditions even more extreme. Travelers are going to see warmer temperatures each day and need to prepare for the risks of heat-related health issues, especially for vulnerable members such as the elderly and preschool children.
Health and Safety Guidance for Travelers During Heatwave
As the country enters a new phase of scorching heat, the government and health officials emphasize the importance of taking active precautions for safety. Detailed below are the instructions required for addressing the heatwave:
Hydrate: Drink plenty of fluids while you are awake to avoid dehydration. Avoid alcohol and caffeine as they can dehydrate you.
Limit activities outside: Do not go outside when the sun is strongest (between 11:00 AM and 5:00 PM). If you must go outside, wear light clothes, a hat that has a wide brim, and sunscreen.
Stay shaded and use air conditioning: Remain in shaded areas or air-conditioned rooms, especially when you are in cities like Athens and Thessaloniki.
Monitor at risk individuals: Ensure your elderly relatives, children, and sick people are adequately cared for during these periods when the heat is extreme.
Monitor the weather: Continuously refer to weather reports via the website of the National Meteorological Service (www.hnms.gr) to obtain information about any rapid changes in weather.
Prepare Yourself for Heat and Stay Safe
In planning your Greek holidays, don’t forget the looming heatwave and heed the advice of local authorities on how to stay safe. Stay cool, drink lots of fluids, and adjust your plans and activities as required. Make sure you are properly equipped for the heat and remember that the scorching weather will still be prevalent long past the middle of July. By taking these precautions, you will be able to enjoy a safe holiday to Greece while avoiding the dangers of the heatwave. Stay informed with the latest updates and information through the local authorities and the National Meteorological Service. Even though the heatwave may be intense, everything that Greece has to offer can still be enjoyed if you are well prepared. Stay up-to-date, stay safe, and happy traveling in Greece!
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