Heatwave Alert: First Summer Heatwave Begins Wednesday – Lagouvardos Predicts Christmas in Six Months

In a humorous post, Kostas Lagouvardos, Director of Research at the Athens Observatory and head of meteo.gr, announced that temperatures will soar significantly over the next few days. In his latest update on June 24, 2025, Lagouvardos stated that the first heatwave of this summer officially begins on Wednesday, June 25. He joked that in six months, we’ll be preparing for Christmas, highlighting the extreme contrast between summer and winter weather conditions. According to the forecast, today’s maximum temperatures have already reached 36.6°C in places like Heliolousto Kilkis and Krinidi, with further increases expected over the coming days. The upcoming four-day period will mark the start of Greece’s initial summer heatwave, impacting regions such as Karditsa, Harokopio-Kallithea, Gynaikokastro, and Sparta.